Human Body Wonders Quiz - Explore the Marvels of Human Anatomy

Question 1 of 25

What is the largest organ of the human body?

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Liver

Lungs

Skin

Heart

Question 2 of 25

How many bones are in the adult human body?

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206

208

210

220

Question 3 of 25

Which part of the human body has the smallest bones?

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Hands

Feet

Ears

Skull

Question 4 of 25

What percentage of the human body is water?

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50%

60%

70%

80%

Question 5 of 25

Which human organ can regenerate itself?

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Liver

Heart

Lungs

Kidneys

Question 6 of 25

Which is the strongest muscle in the human body based on its size?

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Biceps

Gluteus maximus

Masseter

Quadriceps

Question 7 of 25

What is the normal pH level of human blood?

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6.8

7.0

7.4

7.6

Question 8 of 25

Which part of the brain is responsible for balance and coordination?

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Cerebrum

Cerebellum

Brainstem

Hippocampus

Question 9 of 25

Which blood type is considered the universal donor?

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A+

B+

AB+

O-

Question 10 of 25

What is the main function of red blood cells?

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Fighting infections

Carrying oxygen

Clotting blood

Removing waste

Question 11 of 25

Which organ is known as the body's detox center?

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Kidneys

Liver

Stomach

Pancreas

Question 12 of 25

Which hormone regulates the sleep-wake cycle in humans?

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Insulin

Melatonin

Cortisol

Serotonin

Question 13 of 25

Which is the most abundant mineral in the human body?

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Iron

Zinc

Calcium

Magnesium

Question 14 of 25

Which human body system is primarily responsible for producing hormones?

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Nervous system

Endocrine system

Respiratory system

Circulatory system

Question 15 of 25

Which human organ pumps blood throughout the body?

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Liver

Lungs

Brain

Heart

Question 16 of 25

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

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12-24 hours

24-48 hours

48-72 hours

72-96 hours

Question 17 of 25

What part of the eye controls the amount of light that enters?

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Lens

Retina

Cornea

Iris

Question 18 of 25

Which organ of the human body produces insulin?

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Liver

Pancreas

Kidneys

Thyroid

Question 19 of 25

How many chambers does the human heart have?

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2

3

4

5

Question 20 of 25

Which gas is primarily exhaled by humans after respiration?

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Oxygen

Nitrogen

Carbon dioxide

Hydrogen

Question 21 of 25

Which part of the human body does not have a blood supply?

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Nails

Hair

Cornea

Skin

Question 22 of 25

Which system in the body is responsible for protecting against diseases?

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Nervous system

Digestive system

Immune system

Endocrine system

Question 23 of 25

What is the primary function of white blood cells?

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Transporting oxygen

Fighting infections

Clotting blood

Regulating metabolism

Question 24 of 25

How many pairs of ribs does the human body have?

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10

11

12

13

Question 25 of 25

Which is the longest bone in the human body?

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Humerus

Femur

Tibia

Fibula

Human Body Wonders : Biology

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