100+ Human Body General Knowledge Questions with FREE PDF

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Human Body General Knowledge Questions

1. What is the smallest bone in the human body?

a) Stapes

b) Spine

c) Clavicle

d) None of these

Answer: Stapes

2. What is the strongest muscle in the human body?

a) Stapedius

b) Sartorius muscle

c) Masseter

d) None of these

Answer: Masseter

3. What is the weakest muscle in the human body?

a) Uterus

b) Gluteus Maximus

c) Stapedius

d) None of these

Answer: Stapedius

4. What is the shape of DNA called?

a) Multiple helix

b) Single helix

c) Double helix

d) None of these

Answer: Double helix

5. What is the biggest and most powerful in the body?

a) Cardiac muscle

b) Soleus

c) Gluteus Maximus

d) None of these

Answer: Gluteus Maximus

6. Which structure of the eye is the most sensitive but contains no blood vessels?

a) Pupil

b) cornea

c) Iris

d) None of these

Answer: cornea

7. What percentage of the human body is water?

a) 30%

b) 80%

c) 60%

d) None of these

Answer: 60%

8. How many lungs does the human body have?

a) Four

b) Two

c) One

d) None of these

Answer: Two

9. What is the name of the biggest part of the human brain?

a) Cerebrum

b) Cerebellum

c) Brainstem

d) None of these

Answer: Cerebrum

10. What is the human body’s largest external organ?

a) stomach

b) Skin

c) liver

d) None of these

Answer: Skin

11. What is the longest bone in the human body?

a) Fibula

b) Tibia

c) Femur

d) None of these

Answer: Femur

12. How many layers of skin are in the epidermis?

a) 3

b) 2

c) 5

d) None of these

Answer: 5

13. What is the weakest bone in the body?

a) Tibia

b) Skull

c) Spinal cord

d) None of these

Answer: Spinal cord

14. What substance are nails and hair made of-

a) Keratin

b) Fibrin

c) Epidermis

d) None of these

Answer: Keratin

15. Which organ system includes the spleen?

a) Reproductive system

b) Nervous system

c) Lymphatic system

d) None of these

Answer: Lymphatic system

16. How many bones does a child have at birth?

a) 300

b) 206

c) 250

d) None of these

Answer: 300

17. Where in the body are new blood cells made?

a) Heart

b) Bone marrow

c) Liver

d) None of these

Answer: Bone marrow

18. What tissue connects bone to bone?

a) Skin

b) Tendons

c) Ligaments

d) None of these

Answer: Ligaments

19. What tissue connects to muscles to bone?

a) Skin

b) Tendons

c) Joints

d) None of these

Answer: Tendons

20. What are the bones around your chest called?

a) Clavicle

b) Rib cage

c) Radiate Ligaments

d) None of these

Answer: Rib cage

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FAQs on Human Body

What are the 4 major parts of human body?

Your body is made up of billions of smaller structures of four major kinds: cells, tissues, organs, and systems.

Can human body digest cellulose?

Cellulose is the substance that gives structure to plants and parts of certain vegetables. Humans cannot digest cellulose, which is why we don’t eat it. It’s important in the diet as fibre (roughage) and this assists your digestive system – keeping food moving through the gut and pushing waste out of the body.

Can human body produce electricity?

Our bodies are often referred to as “biological batteries.” What this means is that in our bodies there are processes that generate electricity. This generator in our body is called the sodium-potassium pump. It uses ions of sodium, potassium, calcium, and magnesium in charge transfer reactions to generate electric currents across cells membranes.”

Can human body conduct electricity?

Yes, human body can conduct electricity. The cells inside our body are very tiny and specialized, and they can contain equal amounts of positive and negative charges. This is a form a charge separation. It just so happens that this charge separation is crucial for the inner workings of every cell inside our bodies.

Do human body contain gold?

Human bodies are composed of many elements. An average person’s body weighing 70 kilograms would contain a total mass of 0.2 milligrams of gold.

Does human body emit radiation?

All objects, including human bodies, emit electromagnetic radiation. The wavelength of radiation emitted depends on the temperature of the objects. There are three regions of the electromagnetic spectrum: radio waves, infrared waves and visible light. Human body emits most of its radiation in the infrared region at wavelengths of around 12 microns. The wavelength of the radiation is related to the body’s internal temperature.

What is a human’s body?

The human body is the physical substance of the human organism, composed of cells and extracellular materials and organized into tissues, organs, and systems. Human bodies touch each other to feel, laugh, sing, talk, work, play, argue, reproduce.

What are the 12 parts of the body?

Skeletal, nervous, muscular, respiratory, endocrine, immune, cardiovascular/circulatory, urinary, integumentary, reproductive, and digestive systems.

What is the largest organ?

The skin is the largest organ in the human body.

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