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Human Body and Health Basics

Life Science

Test your knowledge with these fun and easy facts about the human body, health, and how our organs work.

human body biology health anatomy

10 Questions Easy Ages 5+ Sep 12, 2026

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About this Study Set

This study set covers Life Science through 10 practice questions. Test your knowledge with these fun and easy facts about the human body, health, and how our organs work. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

Questions & Answers

Browse all 10 questions from the Human Body and Health Basics study set below. Each question shows the correct answer — select a study format above to practice interactively.

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

A Heart
B Brain
C Lungs
D Liver

2 What main gas do humans inhale from the air to survive?

A Carbon dioxide
B Oxygen
C Nitrogen
D Helium

3 How many bones are in a standard adult human body?

A 106
B 206
C 306
D 406

4 Which part of the body controls thoughts, memory, and voluntary movement?

A Stomach
B Heart
C Brain
D Kidney

5 Which vitamin found in citrus fruits like oranges helps support a healthy immune system?

A Vitamin C
B Vitamin D
C Vitamin B12
D Vitamin K

6 What is the largest organ of the human body?

A Liver
B Skin
C Heart
D Small intestine

7 Which substance inside red blood cells carries oxygen from the lungs to the rest of the body?

A Insulin
B Hemoglobin
C Saliva
D Keratin

8 In which part of the digestive system does most nutrient absorption take place?

A Large intestine
B Stomach
C Esophagus
D Small intestine

9 Which type of human teeth are primarily used for tearing food?

A Molars
B Incisors
C Canines
D Premolars

10 Which mineral is essential for building and maintaining strong bones and teeth?

A Iron
B Calcium
C Potassium
D Sodium

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