Human Body Wonders Quiz - Explore the Marvels of Human Anatomy

What is the largest organ of the human body?

Liver

Lungs

Skin

Heart

How many bones are in the adult human body?

206

208

210

220

Which part of the human body has the smallest bones?

Hands

Feet

Ears

Skull

What percentage of the human body is water?

50%

60%

70%

80%

Which human organ can regenerate itself?

Liver

Heart

Lungs

Kidneys

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

Biceps

Gluteus maximus

Masseter

Quadriceps

What is the normal pH level of human blood?

6.8

7.0

7.4

7.6

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

Cerebrum

Cerebellum

Brainstem

Hippocampus

Which blood type is considered the universal donor?

A+

B+

AB+

O-

What is the main function of red blood cells?

Fighting infections

Carrying oxygen

Clotting blood

Removing waste

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

Kidneys

Liver

Stomach

Pancreas

Which hormone regulates the sleep-wake cycle in humans?

Insulin

Melatonin

Cortisol

Serotonin

Which is the most abundant mineral in the human body?

Iron

Zinc

Calcium

Magnesium

Which human body system is primarily responsible for producing hormones?

Nervous system

Endocrine system

Respiratory system

Circulatory system

Which human organ pumps blood throughout the body?

Liver

Lungs

Brain

Heart

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

12-24 hours

24-48 hours

48-72 hours

72-96 hours

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

Lens

Retina

Cornea

Iris

Which organ of the human body produces insulin?

Liver

Pancreas

Kidneys

Thyroid

How many chambers does the human heart have?

2

3

4

5

Which gas is primarily exhaled by humans after respiration?

Oxygen

Nitrogen

Carbon dioxide

Hydrogen

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

Nails

Hair

Cornea

Skin

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

Nervous system

Digestive system

Immune system

Endocrine system

What is the primary function of white blood cells?

Transporting oxygen

Fighting infections

Clotting blood

Regulating metabolism

How many pairs of ribs does the human body have?

10

11

12

13

Which is the longest bone in the human body?

Humerus

Femur

Tibia

Fibula

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