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This useful resource is a set of 100 Human body trivia questions. This simple MCQ human body trivia questions multiple choice quiz is effective for any examination, or even discussion to describe the body in short.
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100 MCQ Human Body Trivia Questions Multiple Choice Quiz
1. How many bones are there in the human foot?
2. What are the largest salivary glands?
3. Which organ in the mouth maintains balance of the middle ear and send the inhaled air to the wind pipe or trachea?
4. Teeth start to form before you are even born but don’t come through until you are between
5. LIke fingerprint, which is the other part of the body which is unique?
6. Smiling helps you live longer. Every time you smile, your body produces greater amounts of __________, giving you an immunity boost.
7. What are short bands of tough fibrous connective tissue that function to connect one bone to another, forming the joint?
8. Which muscles are the only muscles that can be consciously controlled?
9. Many diseases are linked to oral health including heart disease, diabetes, and osteoporosis. True/ False
10. How much blood does the heart pump daily?
11. Buccal cavity (oral cavity) and the nasal passage opens into which organ, nearly 12.5 cm long or 5 inches long?
12. What causes the heart to beat?
13. Which of the listed organs are not related to the urination system: bladder, kidneys, pharynx, prostate, ureters, urethra?
14. What are made of elastic tissue and also play a key role in the functioning of joints. They connect muscle to bone?
15. There are 3 types of muscles in the body: Skeletal muscle, Smooth muscle and
16. What percentage of saliva are water and the rest part is composed of mucus, salts, enzymes, protein, hormones and antibodies?
17. How many salivary glands in your head that produce nearly two liters of saliva every day?
18. Which body part contains the smallest muscles in the body alongside the smallest bones?
19. How many skeletal muscles around the eye control the eye movements?
20. Which organ has connections with seven cavities which are 2 nasal cavities, 2 tympanic cavities (cavity which surrounds the bones present in the middle ear), mouth, esophagus, larynx?
21. Which of the digestive organ absorbs the nutrients of food and passes them into the bloodstream?
22. What is the only muscle in the human body that works without any support from the skeleton?
23. Which organ of the digestive system is largely responsible for the breakdown of food in the small intestine, using enzymes?
24. Which organ releases bicarbonate and digestive enzymes such as trypsin, lipase, and amylase during the digestion process?
25. Bile is released from
26. Which gland secretes mucus and is found in the duodenum only?
27. The ______ is actually involved in very little chemical digestion, the process that reduces food to the size of molecules
28. The Rhesus factor is associated with
29. The part of the eye that allows us to focus on different things in known as the
30. The right side of the brain interacts with the left side of the body, and vice versa. True/ False?
31. Which organ is made up of four chambers, the left atrium, right atrium, left ventricle, and right ventricle?
32. What is the largest part of the human brain is called?
33. Blood that leaves the heart is carried through ________, while blood going towards the heart is carried through ________.
34. What is the name of skull which is a protective casing made up of 22 bones that are joined together?
35. What is the size of the small intestine in diameter?
36. How many valves are there in the human heart, they ensure that blood only goes one way, either in or out?
37. You might have felt your own heart beating, this is known as the
38. The ___________ includes all other nervous system structures that sit outside the CNS but that help connects the CNS to areas of the body.
39. There are approximately 100 billion ________ in the human brain and 13.5 million __________ in the human spinal cord.
40. What is the rarest blood type?
41. The technical term for the sense of smell is
42. Which type of neurons transmits neural signals to activate muscles or glands?
43. How fast the nervous system can transmit signals?
44. It weighs around 3 pounds (1.5 kg) in the adult, although makes up just 2% of the body's weight, it uses around 20% of its energy. What is this?
45. The fingerline villi and microvilli are found in
46. The ethmoid bone is found in the
47. Who can help rehabilitate patients with nervous system damage?
48. Alzheimer’s disease, Parkinson's disease, and multiple sclerosis are related to
49. Could you taste without saliva?
50. If you don’t ____, you miss cleaning approximately 40% of the surfaces of your teeth.
51. Who was able to describe how the heart pumped blood through the body and how blood returned to the heart?
52. Nerves are enclosed bundles of long fibers called axons which are made up of _______which are of two types: neurons and glial cells.
53. Which type of hair develops from childhood covering most of the human body, it is a short, fine, light-colored hair that is often barely noticeable?
54. The floor of the nasal cavity is also the roof of the
55. Your ________ filter about 45 gallons of blood per day.
56. Surveys indicate that ______ of people say that someone’s smile is the first thing they notice.
57. What does warn you when you are about to vomit?
58. Who discovered different blood groups in 1901?
59. What helps hold neurons in place, supply nutrients to neurons, destroy germs, remove dead neurons, and direct axons of neurons.
60. The only "living" part of a ____ is found in the follicle as it grows. The _____ strand above the skin has no biochemical activity and so is considered "dead".
61. What of the body liquid contains immune cells, antimicrobial and antifungal proteins, and growth factors that promote wound healing?
62. Humans have two sets of teeth in their lifetime, whereas sharks have
63. What is ‘Anosmia’?
64. Which muscle lines the inside of blood vessels and organs, such as the stomach, and is also known as visceral muscle?
65. What percentage of our total body weight is covered by blood?
66. What digestive organ concentrates the bile into the form that's best used for digestion?
67. What is ‘Dysosmia’?
68. The heart is a _______ that pumps blood throughout the body.
69. What is the result of damage to pancreatic cells?
70. The light-sensitive tissue lining the inner surface of your eye is known as the ____, acting in a similar way to film in a traditional camera.
71. This machine can measure the electricity going through a patient’s heart. A doctor can use the information to know when a patient is having heart rhythm problems or even a heart attack.
72. The ____ includes the brain, spinal cord, and retina of the eyes.
73. What delivers oxygen to all the other cells in our bodies as wellas carries carbon dioxide from those cells back to the lungs?
74. Muscles make up approximately ______ percent of total weight.
75. The Liver produces anywhere from 500 to 1,000 milliliters (ml) of bile per day, but the __________ can concentrate that bile up to tenfold and store 30 to 50 ml of the denser bile.
76. __________ in the retina detect color while ___________ detect low light contrasts.
77. The pancreas functions as both an endocrine and
78. What is the hardest-working muscle in the body?
79. What is called the hyperarousal, or the acute stress response, a physiological reaction that occurs in response to a perceived harmful event, attack, or threat to survival?
80. What is a vital internal organ and gland, which carries out over 500 functions.
81. What is the body’s largest muscle in the buttocks and helps humans maintain an upright posture?
82. What is the largest organ of the human body?
83. What is the largest internal organ of the human body?
84. How much hair does a human grow on average during a lifetime?
85. Hair and nails are made of the same protein-based substance name
86. What is the strongest and longest bone in the human body?
87. What is the surface area of the human lungs?
88. What is the pigment that determines your skin color?
89. What is the strongest muscle in the human body?
90. Who has a better sense of smell, Men or Women?
91. What part of the human body doesn't change its size during a person's lifetime?
92. Hordes of intestinal bacteria release a variety of gases in the digestion process, including carbon dioxide, hydrogen, methane, and hydrogen sulfide, resulted to
93. What type of diet is best for a healthy gallbladder, that is, for the body?
94. Which is the only type of muscle that can be consciously controlled?
95. The liver is the largest solid organ in the body, weighing some
96. Bile or gall is a _________. It is secreted from the liver of most vertebrate animals and is often stored in the gall bladder. Bile helps digest fat.
97. Cells along the inner wall of the stomach secrete roughly 2 liters (0.5 gallons) of ________ each day, which helps kill bacteria and aids in digestion.
98. Who developed a primitive version of the endoscope, called the lichtleiter (meaning "light conductor"), in the early 1800s to inspect a number of bodily areas?
99. Which body system is home to more cancers, and causes more cancer mortalities, than any other organ system in the body?
100. Bones stop growing in length during
Anatomy, Facts, and Functions of the Human Body
The human body is made up of everything that makes you, you. Our genetic information determines and governs the physical shape and function of the human body; nevertheless, environmental circumstances and behaviors can influence how our bodies look and operate, according to Human Growth and Developments.
Every live cell, tissue, and organ in the human body is made up of both living and nonliving components that make up the whole structure of the human organism.
The head, neck, torso, arms, and legs are the five main components of human anatomy on the exterior. However, there are innumerable biological and chemical interactions under the epidermis that keep the human body machine running.
What is the Biological Systems of Humans?
Our bodies have a number of biological systems that perform specialized activities that are required for daily life. There are 12 biological systems in all.
What are the several systems that make up the human body?
Our bodies are made up of a variety of biological systems that perform specialized activities that are required for daily life.
The circulatory system’s function is to transport blood, nutrients, oxygen, carbon dioxide, and hormones throughout the body. The heart, blood, blood vessels, arteries, and veins are all part of it. The human body’s network of blood arteries, veins, and capillaries is about 60,00 miles (approximately 96,560 kilometers) long, according to the Cleveland Clinic.
The digestive system is made up of a collection of interconnected organs that work together to help the body digest and absorb food while also removing waste. The mouth, esophagus, stomach, small intestine, large intestine, rectum, and anus are all part of it. According to the National Institute of Diabetes and Digestive and Kidney Diseases, the liver and pancreas play a role in the digestive system because they create digestive fluids containing enzymes that break down the components of your meal, such as carbs, lipids, and proteins.
The endocrine system is made up of glands that produce hormones in the bloodstream. According to Johns Hopkins Medicine, these hormones go to numerous tissues and affect many biological activities such as metabolism, growth, and sexual function. To regulate blood sugar, one of the pancreas’ glands, known as the endocrine gland, produces hormones called insulin and glucagon.
The immune system protects the body from potentially dangerous bacteria, viruses, and other infections. According to the Institute for Quality and Efficiency in Health Care (IQWiG), antigens (proteins on the surface of bacteria, fungi, and viruses) interact with receptors on immune cells, alerting the body to their existence and throwing the immune system into action. I lymph nodes, the spleen, bone marrow, lymphocytes (including B-cells and T-cells), the thymus, and leukocytes (white blood cells) make up the system.
Lymph nodes, lymph ducts, and lymph arteries are all part of the lymphatic system, which also aids in the body’s defenses. According to the Cleveland Clinic, its primary function is to produce and transport lymph, a clear fluid containing white blood cells that assist the body fight illness. Excess lymph fluid is also removed from human tissues and returned to the bloodstream through the lymphatic system.
The nervous system is in charge of both voluntary (like conscious movement) and involuntary (like breathing) movements, as well as sending messages to various regions of the body. The brain and spinal cord make up the central nervous system. According to the National Institute of Child Health and Human Development, the peripheral nervous system is made up of nerves that connect every other area of the body to the central nervous system.
According to the Library of Congress, the muscular system of the body is made up of roughly 650 muscles that help in movement, blood flow, and other physical activities. Muscle is divided into three types: skeletal muscle, which is related to bone and aids voluntary movement, smooth muscle, which is located inside organs and aids in the passage of substances through organs, and cardiac muscle, which is situated in the heart and aids in the pumping of blood.
Humans can reproduce thanks to their reproductive system. The penis and testes, which generate sperm, are part of the male reproductive system. The vagina, uterus, and ovaries, which produce eggs, make up the female reproductive system. A sperm cell combines with an egg cell during conception, resulting in a fertilized egg that implants and develops in the uterus.
According to the journal StatPearls, our bodies are supported by the skeletal system, which consists of between 206 and 213 bones in an adult human body, all of which are joined by tendons, ligaments, and cartilage. Humans have 270 bones as neonates, with some of them fusing together as they develop. Not only does the skeleton assist humans in movement, but it also plays a role in the formation of blood cells and the storage of calcium. Although teeth are part of the skeletal system, they are not considered bones.
In the process of breathing, the respiratory system permits humans to take in oxygen and release carbon dioxide. The trachea, diaphragm, and lungs make up the majority of them.
The urinary system aids in the elimination of urea, a waste product formed when certain meals are broken down. Two kidneys, two ureters, the bladder, two sphincter muscles, and the urethra make up the whole system. The kidneys create urine, which flows down the ureters to the bladder and then out the urethra.
The integumentary system, sometimes known as the skin, is the body’s biggest organ. It shields us from the elements and acts as the first line of protection against bacteria, viruses, and other infections. Perspiration helps our skin maintain body temperature and remove waste. Hair and nails are part of the integumentary system, which also includes the skin.
Quick facts about the human body
- Nearly 37.2 trillion cells make up the human body.
- The microbial biome of human bodies, which includes bacteria and fungus, is believed to be roughly 39 trillion cells.
- The normal adult breathes about 22,000 times each day.
- The kidneys filter roughly 2 quarts of waste and water from around 200 quarts (50 gallons) of blood every day.
- Each day, adults excrete around a quarter and a half liter (1.42 liters) of pee.
- There are around 100 billion nerve cells in the human brain.
- Water accounts for more than half of the average adult’s weight.
What are vestigial organs, and what do they do?
Unlike critical organs, the human body has certain organs and structures that no longer serve a role, known as vestigial organs. That’s not to say they didn’t even have a role in human survival, according to Midwestern University’s Department of Anatomy.
Some organs and physical parts, such as the coccyx or tailbone, have lost their function during the history of human evolution. According to the New York Times, Charles Darwin was the first to postulate that humans originated from monkeys with tails, observing that the coccyx, a small pair of vertebrae next to the pelvis that we all share, is what remained of our original tail.
The appendix is another well-known example of a seemingly useless organ. The appendix is a small pouch linked to the human body’s lower abdominal cavity. Although the appendix is widely thought to be redundant in human body function, research published in 2017 by Midwestern University revealed that it might serve as a reservoir for multiple types of beneficial gut bacteria.
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