Human Body & Health Basics

Life Science

Explore fundamental facts about the human body's organs, functions, and general health, focusing on easy-to-understand concepts.

human body health biology anatomy easy facts

12 Questions Easy Ages 5+ Aug 15, 2026

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About this Study Set

This study set covers Life Science through 12 practice questions. Explore fundamental facts about the human body's organs, functions, and general health, focusing on easy-to-understand concepts. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

Questions & Answers

Browse all 12 questions from the Human Body & Health Basics study set below. Each question shows the correct answer — select a study format above to practice interactively.

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

A Lungs
B Brain
C Heart
D Stomach

2 How many bones does an adult human typically have?

A 100
B 206
C 300
D 50

3 Which vitamin is essential for strong bones and is often obtained from sunlight?

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

4 What is the body's largest organ, protecting it from the outside world?

A Liver
B Brain
C Skin
D Lungs

5 Which pair of organs helps us breathe by taking in oxygen and releasing carbon dioxide?

A Kidneys
B Lungs
C Stomach
D Pancreas

6 What is the main source of energy for the human body?

A Water
B Air
C Food
D Sleep

7 Which nutrient is primarily responsible for building and repairing tissues in the body?

A Carbohydrates
B Fats
C Protein
D Vitamins

8 What part of the eye allows us to see colours?

A Cornea
B Lens
C Retina
D Pupil

9 What liquid flows through our veins and arteries, carrying oxygen and nutrients?

A Saliva
B Water
C Blood
D Lymph

10 Which organ filters waste products from the blood and produces urine?

A Liver
B Kidneys
C Spleen
D Gallbladder

11 What are the basic building blocks of all living things, including the human body?

A Organs
B Tissues
C Cells
D Molecules

12 Which sense organ is used for hearing sounds?

A Eye
B Nose
C Ear
D Tongue

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