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Human Body Basics Assessment

Biology

A collection of factual questions covering core human anatomy and physiological systems for primary school students.

anatomy human-body science

12 Questions Medium Ages 5+ Aug 31, 2026

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About this Study Set

This study set covers Biology through 12 practice questions. A collection of factual questions covering core human anatomy and physiological systems for primary school students. 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 Assessment study set below. Each question shows the correct answer — select a study format above to practice interactively.

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

A Lungs
B Heart
C Liver
D Stomach

2 What is the hard, protective structure that surrounds and protects the human brain?

A Ribcage
B Pelvis
C Skull
D Spine

3 Which part of the digestive system absorbs the most nutrients from food?

A Large intestine
B Small intestine
C Esophagus
D Stomach

4 How many primary chambers are located inside a human heart?

A Two
B Three
C Four
D Six

5 What is the largest organ of the human body?

A Skin
B Liver
C Brain
D Lungs

6 Which type of blood vessel carries oxygen-rich blood away from the heart to the rest of the body?

A Vein
B Capillary
C Artery
D Nerve

7 What is the main gas that humans exhale as a waste product of respiration?

A Oxygen
B Nitrogen
C Carbon dioxide
D Hydrogen

8 Which mineral is most important for maintaining strong bones and teeth?

A Iron
B Calcium
C Potassium
D Sodium

9 What is the primary function of the lungs in the human body?

A Digesting food
B Filtering waste
C Exchanging gases
D Pumping blood

10 Which system of the body is responsible for providing structural support and allowing movement?

A Digestive system
B Musculoskeletal system
C Nervous system
D Circulatory system

11 What is the main control center of the human nervous system?

A Heart
B Spinal cord
C Brain
D Stomach

12 Which part of the eye is responsible for focusing light onto the retina?

A Lens
B Pupil
C Iris
D Cornea

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