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26 uniquely designed questions just for you to evaluate your skills in Human body quiz. Are you ready to challenge yourself and explore more? Let's get started and see how much you can score out of 26.

Please feel free to report any corrections if you come across any inaccuracies or errors. Your feedback is valuable in maintaining the accuracy of our content.

Questions

1. The strongest bone in our body is
Answer: Thigh bone
Explanation: The femur is your thigh bone. It's the longest; strongest bone in your body.Report for correction
2. What percentage of the human body is water?
Answer: 60%
Explanation: Up to 60% of the human adult body is water.Report for correction
3. How many lungs does the human body have?
Answer: 2
Explanation: Humans have two lungs; a right lung and a left lung. They are situated within the thoracic cavity of the chest.Report for correction
4. What is the human body's largest external organ?
Skin

SKIN

Answer: Skin
Explanation: The largest external organ; which is also the largest organ in general; is the skin.Report for correction
5. What is the smallest bone in the human body?
Stapes

STAPES

Answer: Stapes
Explanation: The stapes is the third bone of the three ossicles in the middle ear. The stapes is a stirrup-shaped bone; and the smallest in the human body.Report for correction
6. How many parts is the heart divided into?
Answer: 2
Explanation: The heart has two sides: the left side and the right side. Each side of the heart is divided into two parts; called the atrium and the ventricle.Report for correction
7. What are teeth made of?
Answer: Dentine & Enamel
Explanation: Human teeth are made up of four different types of tissue: pulp; dentin; enamel and cementum.Report for correction
8. How many bones does a child have at birth?
Answer: 300
Explanation: A baby’s body has about 300 bones at birth. These eventually fuse (grow together) to form the 206 bones that adults have.Report for correction
9. What tissue connects bone to bone?
Answer: Ligaments
Explanation: Ligaments connect the ends of bones together in order to form a joint.Report for correction
10. How many teeth does an adult have?
Answer: 32
Explanation: Adults have 32 teeth. You should have this full set of adult teeth by your late teens.Report for correction
11. Which structure of the eye is the most sensitive but contains no blood vessels?
Answer: Cornea
Explanation: The cornea contains no blood vessels and is extremely sensitive to pain.Report for correction
12. What is the name of the biggest part of the human brain?
Answer: Cerebellum
Explanation: Cerebrum is the largest part of the brain and is composed of right and left hemispheres.Report for correction
13. What is the human body’s largest internal organ?
Answer: Liver
Explanation: The largest internal organ is the liver. It is also the heaviest organ; with an average of 1.6 kilogramsReport for correction
14. What is the longest bone in the human body?
Femur

FEMUR

Answer: Femur
Explanation: Femur; or thighbone; is the largest bone in our body. By most measures the femur is the strongest bone in the body.Report for correction
15. What is the weakest bone in the body?
Answer: Spinal cord
Explanation: The weakest bone in the human body is the spine or spinal cord or sometimes it can be nose as well. We can call it weakest because of sheer smallness.Report for correction
16. What substance are nails and hair made of?
Answer: Keratin
Explanation: Fingernails and toenails are made of a tough protective protein called alpha-keratin. This protein is also found in the hooves and horns of different animals.Report for correction
17. Which organ system includes the spleen?
Answer: Lymphatic system
Explanation: The lymphatic system is a network of very small tubes (or vessels) that drain lymph fluid from all over the body.Report for correction
18. How many layers of skin are in the epidermis?
Answer: 5
Explanation: The epidermis is composed of 4 or 5 layers; depending on the region of skin being considered. Those layers in descending order are: cornified layer (stratum corneum).Report for correction
19. What is the weakest muscle in the human body?
Answer: Stapedius
Explanation: The smallest and weakest muscle of the body is the stapedius and is located in the middle ear.Report for correction
20. What is the biggest and most powerful in the body?
Answer: Gluteus Maximus
Explanation: The gluteus maximus is not only one of the strongest muscles in the body; it is also the largest. It’s main function is hip extensionReport for correction
21. The flow of blood through your heart and around your body is called?
Answer: Circulation
Explanation: As the heart beats; it pumps blood through a system of blood vessels; called the circulatory system. The vessels are elastic tubes that carry blood to every part of the body.Report for correction
22. What are the bones around your chest called?
Answer: Rib Cage
Explanation: The bones of the chest and upper back combine to form the strong; protective rib cage around the vital thoracic organs such as the heart and lungs.Report for correction
23. How many parts is the heart divided into?
Answer: 2
Explanation: The heart has two sides: the left side and the right side. Each side of the heart is divided into two parts; called the atrium and the ventricle. The atrium is the top part. The ventricle is on the bottom.Report for correction
24. Where in the body are new blood cells made?
Answer: Bone marrow
Explanation: Red blood cells; most white blood cells and platelets are produced in the bone marrow; the soft fatty tissue inside bone cavities.Report for correction
25. What is the shape of DNA called?
Answer: Double helix
Explanation: The double helix is a description of the molecular shape of a double-stranded DNA molecule.Report for correction
26. Which part of the human body cannot regenerate or repair itself after damage?
Answer: Teeth
Explanation: Teeth cannot regenerate or repair themselves after damage because they lack living cells in their enamel and dentin.Report for correction