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Human Body and Health Facts

Life Science

Test your knowledge with these basic facts about the human body and health.

biology human body health

8 Questions Easy Ages 5+ Oct 6, 2026

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About this Study Set

This study set covers Life Science through 8 practice questions. Test your knowledge with these basic facts about the human body and health. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

Questions & Answers

Browse all 8 questions from the Human Body and Health Facts study set below. Each question shows the correct answer — select a study format above to practice interactively.

1 What is the largest organ in the human body?

A Heart
B Skin
C Liver
D Brain

2 Which part of the human body contains the hardest substance?

A Bone enamel
B Tooth enamel
C Fingernails
D Skull

3 Which organ is responsible for pumping blood throughout the human body?

A Lungs
B Stomach
C Heart
D Kidneys

4 Which organs take in oxygen from the air when you breathe?

A Lungs
B Liver
C Pancreas
D Bladder

5 How many bones are in a typical adult human skeleton?

A 106
B 206
C 306
D 406

6 Which vitamin does the human body produce when skin is exposed to sunlight?

A Vitamin A
B Vitamin C
C Vitamin D
D Vitamin K

7 Where does the process of digestion begin in the human body?

A Stomach
B Mouth
C Small intestine
D Esophagus

8 What is the primary function of red blood cells in the body?

A Fighting infections
B Carrying oxygen
C Clotting blood
D Producing hormones

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