Human Body Quiz

Question 1

What is the largest organ in the human body?

Accepted Answer

Skin

Answer

Heart

Answer

Liver

Answer

Brain

Question 2

How many chambers does the human heart have?

Accepted Answer

4

Answer

2

Answer

3

Answer

5

Question 3

What is the longest bone in the human body?

Accepted Answer

Femur

Answer

Humerus

Answer

Tibia

Answer

Spine

Question 4

Which blood type is known as the universal donor?

Accepted Answer

Type O negative

Answer

Type A

Answer

Type B

Answer

Type AB

Question 5

How many pairs of chromosomes do humans have?

Accepted Answer

23

Answer

21

Answer

22

Answer

24

Question 6

Which organ produces insulin?

Accepted Answer

Pancreas

Answer

Liver

Answer

Kidney

Answer

Stomach

Question 7

How much blood does the average adult human body contain?

Accepted Answer

4–5 liters

Answer

2–3 liters

Answer

6–7 liters

Answer

8–9 liters

Question 8

What is the smallest bone in the human body?

Accepted Answer

Stapes

Answer

Incus

Answer

Malleus

Answer

Pisiform

Question 9

Which part of the brain controls balance and coordination?

Accepted Answer

Cerebellum

Answer

Cerebrum

Answer

Brainstem

Answer

Hypothalamus

Question 10

How many muscles are in the human body?

Accepted Answer

Around 600

Answer

Around 300

Answer

Around 400

Answer

Around 800

Question 11

What is the medical term for the kneecap?

Accepted Answer

Patella

Answer

Ulna

Answer

Fibula

Answer

Tibia

Question 12

Which vitamin does the skin produce when exposed to sunlight?

Accepted Answer

Vitamin D

Answer

Vitamin A

Answer

Vitamin C

Answer

Vitamin K

Question 13

How long does it take for food to travel through the entire digestive system?

Accepted Answer

24–72 hours

Answer

6–8 hours

Answer

12–24 hours

Answer

3–5 days

Question 14

What is the most abundant protein in the human body?

Accepted Answer

Collagen

Answer

Keratin

Answer

Hemoglobin

Answer

Elastin

Question 15

How many taste buds does the average human tongue have?

Accepted Answer

5,000–10,000

Answer

1,000–2,000

Answer

15,000–20,000

Answer

25,000–30,000

Question 16

Which organ filters blood and produces bile?

Accepted Answer

Liver

Answer

Kidney

Answer

Pancreas

Answer

Spleen

Question 17

What type of blood cell fights infection?

Accepted Answer

White blood cells

Answer

Red blood cells

Answer

Platelets

Answer

Plasma cells

Question 18

How many lobes does the right lung have?

Accepted Answer

3

Answer

1

Answer

2

Answer

4

Question 19

What is the average normal body temperature?

Accepted Answer

37.0°C

Answer

36.0°C

Answer

38.0°C

Answer

39.0°C

Question 20

What is the powerhouse of the cell?

Accepted Answer

Mitochondria

Answer

Nucleus

Answer

Ribosome

Answer

Golgi apparatus