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Human Body Basics Quiz

Human Biology

A quick quiz on anatomy and body systems for pre-teens.

anatomy science health

12 Questions Easy Ages 9+ Apr 2, 2026

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About this Study Set

This study set covers Human Biology through 12 practice questions. A quick quiz on anatomy and body systems for pre-teens. 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 Basics Quiz study set below. Each question shows the correct answer — select a study format above to practice interactively.

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

A Lungs
B Heart
C Liver
D Stomach

2 How many bones are typically found in an adult human skeleton?

A 106
B 206
C 306
D 406

3 Which part of the body is known as the command centre of the nervous system?

A Heart
B Stomach
C Brain
D Kidney

4 What is the largest organ in the human body?

A Liver
B Skin
C Lungs
D Intestines

5 Which tiny structures in the lungs are responsible for exchanging oxygen and carbon dioxide?

A Alveoli
B Trachea
C Bronchi
D Diaphragm

6 Which mineral is most important for maintaining strong, healthy bones?

A Iron
B Calcium
C Potassium
D Sodium

7 What is the primary function of red blood cells?

A Fighting infection
B Carrying oxygen
C Clotting blood
D Digesting food

8 Which body system is responsible for breaking down food into nutrients?

A Circulatory system
B Respiratory system
C Digestive system
D Skeletal system

9 What are the flexible tissues that connect muscles to bones called?

A Ligaments
B Tendons
C Cartilage
D Joints

10 Which of these organs helps filter waste products from the blood to produce urine?

A Kidneys
B Liver
C Pancreas
D Gallbladder

11 What substance gives skin and hair its pigment or colour?

A Keratin
B Melanin
C Collagen
D Plasma

12 Which major muscle is located in the chest and helps you breathe?

A Bicep
B Diaphragm
C Quadricep
D Tricep

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