Back to Library

Human Body Basics for Kids

Human Biology

A series of fundamental facts about human anatomy and biology.

anatomy science health
25 Questions Medium Ages 5+ Aug 10, 2026

Choose a Study Format

Embed This Study Set

Add this interactive study set to your website or blog — all 6 formats included.

<div data-quixly-id="5483"></div> <script src="https://www.quixlylearn.com/assets/embed/widget.js"></script>

About this Study Set

This study set covers Human Biology through 25 practice questions. A series of fundamental facts about human anatomy and biology. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

Questions & Answers

Browse all 25 questions from the Human Body Basics for Kids 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 entire human body?
  • A Lungs
  • B Heart
  • C Stomach
  • D Liver
2 How many primary teeth do most children have?
  • A 10
  • B 20
  • C 32
  • D 50
3 What is the hardest substance in the human body?
  • A Tooth enamel
  • B Finger nails
  • C Rib bone
  • D Skull
4 Which part of the body controls your thoughts, memory, and movements?
  • A Heart
  • B Stomach
  • C Brain
  • D Lungs
5 Which organ helps you breathe by taking in oxygen?
  • A Heart
  • B Kidneys
  • C Lungs
  • D Bladder
6 About how many bones are in an adult human skeleton?
  • A 100
  • B 206
  • C 350
  • D 500
7 Which organ is responsible for digesting food and turning it into energy?
  • A Stomach
  • B Brain
  • C Heart
  • D Skin
8 What is the largest organ of the human body?
  • A Brain
  • B Liver
  • C Skin
  • D Lungs
9 What substance carries oxygen through your body?
  • A Water
  • B Blood
  • C Saliva
  • D Sweat
10 What do we call the framework of bones that supports the body?
  • A Muscles
  • B Skin
  • C Skeleton
  • D Nerves
11 Which of these senses is associated with your ears?
  • A Sight
  • B Smell
  • C Hearing
  • D Taste
12 What do muscles do in the human body?
  • A Filter blood
  • B Move bones
  • C Store fat
  • D Cool the body
13 What is the main function of the kidneys?
  • A Pumping blood
  • B Filtering waste from blood
  • C Breathing
  • D Thinking
14 Where are your taste buds located?
  • A On your nose
  • B On your tongue
  • C In your throat
  • D On your lips
15 Which organ helps you sense the temperature of objects you touch?
  • A Eyes
  • B Skin
  • C Ears
  • D Heart
16 What is the name of the tube that carries food from your mouth to your stomach?
  • A Windpipe
  • B Esophagus
  • C Small intestine
  • D Artery
17 Which part of the eye allows you to see colors and shapes?
  • A Eyelid
  • B Pupil
  • C Retina
  • D Eyebrow
18 Approximately how many chambers are in a human heart?
  • A Two
  • B Three
  • C Four
  • D Six
19 What are the tiny structures in the body that carry signals from the brain to muscles?
  • A Nerves
  • B Veins
  • C Bones
  • D Muscles
20 What is the main purpose of the human nose?
  • A To store air
  • B To smell and breathe
  • C To taste food
  • D To keep eyes moist
21 Which mineral is most important for keeping bones strong?
  • A Iron
  • B Calcium
  • C Vitamin C
  • D Sodium
22 What do red blood cells primarily transport?
  • A Food
  • B Waste
  • C Oxygen
  • D Water
23 How many pairs of ribs do most humans have?
  • A 5
  • B 12
  • C 20
  • D 30
24 What is the main function of the small intestine?
  • A Storing waste
  • B Absorbing nutrients from food
  • C Pumping blood
  • D Cooling the body
25 Which part of the body grows continuously throughout a person's life?
  • A Teeth
  • B Hair
  • C Fingernails
  • D Ears
📱

Study on the go

Download Quixly and access all study formats on your phone — anywhere, anytime.

Download on App Store Get it on Google Play Get it on Chrome Web Store