General Knowledge MCQs
Human Body
General Knowledge MCQs

General Knowledge MCQs - Human Body

Human Body mcqs consists of circulatory system, digestive system, endocrine system, immune system, lymphatic system, nervous system, muscular system, reproductive system, respiratory system, urinary system, integumentary system, human brain, human heart, kidneys, liver, lungs, Skeletal System.

1. What is number of bones in human body?

A. 206

B. 306

C. 215

D. 315

Answer: A View Discussion

2. What is number of muscles in human body?

A. 450

B. 550

C. 650

D. None of above

Answer: C View Discussion

3. What is number of kidneys in human body?

A. One

B. Two

C. Three

D. None of above

Answer: B View Discussion

4. What is number of milk teeth in human body?

A. 10

B. 20

C. 30

D. None of above

Answer: B View Discussion

5. What is number of ribs in human body?

A. 13 ribs and 12 pairs

B. 12 ribs and 12 pairs

C. 24 ribs and 12 pairs

D. None of above

Answer: C

6. What is number of heart chamber in human body?

A. 2 chambers

B. 4 chambers

C. 6 chambers

D. 8 chambers

Answer: B

7. What is normal temperature of human body?

A. 86.5°F

B. 95.6°F

C. 98.6°F

D. All of above

Answer: C

8. Which vitamin helps in clotting of blood?

A. Vitamin A

B. Vitamin D

C. Vitamin C

D. Vitamin K

Answer: D

9. Which is the largest internal organ in human body?

A. Heart

B. Kidney

C. Liver

D. None of above

Answer: C

10. Which is the heaviest organ in human body?

A. Heart

B. Kidney

C. Liver

D. None of above

Answer: C

Human Brain

It is a control system which sends and receives signals to the organs in the form of secret hormones.

Human Heart

Heart's responsibility is to pump the blood throught human body.


Kidney's job is to remove waste and extra fluid from blood.


It has many functions, including removal of harmful chemicals, breakdown drugs, filter blood.


The job of lungs is to remove oxygen from the air and transfer to the blood.

Circulatory System

The functionality of circulatory system is to circulate blood, oxygen, carbon dioxide and hormones.

Digestive System

The job of digestive system is to break down and absorb food and remove waste from the body.

Endocrine System

It helps us for growth of hormones an sextual function.

Immune System

The immune system's job is to protect from bacteria, viruses and other pathogens in the body.

Lymphatic System

It helps to defence body, It contains white blood cells which fights with body infection.

Nervous System

It contain central nervous system and spinal cord which sends signals to different parts of body.

Muscular System

It contains 650 different muscles that helps in body movement.

Reproductive System

It helps humans to reproduce.

Respiratory System

It helps us to take in vital oxygen and expel carbon dioxide while breathing.

Skeletal System

Ir consists of 206 bones that are connected by tendons, ligaments and cartilage.

Urinary System

It helps to eliminate a waste product called urea from the body.

Integumentary System

It is the largest organ of the body which defences us against bacteria, viruses and other pathogens.