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Human Body and Health Basics

Basic Science

A collection of factual questions covering basic human anatomy and health science.

biology human body health

18 Questions Easy Ages 5+ Oct 10, 2026

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About this Study Set

This study set covers Basic Science through 18 practice questions. A collection of factual questions covering basic human anatomy and health science. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

Questions & Answers

Browse all 18 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 How many bones does an average adult human skeleton have?

A 106
B 206
C 306
D 406

2 What is the primary organ responsible for pumping blood through the body?

A Lungs
B Brain
C Heart
D Liver

3 Which organ is responsible for filtering waste from the blood to produce urine?

A Kidney
B Stomach
C Pancreas
D Gallbladder

4 What is the hardest substance in the human body?

A Bone
B Enamel
C Cartilage
D Tendon

5 Which gas do humans primarily exhale as a waste product of respiration?

A Oxygen
B Nitrogen
C Carbon Dioxide
D Helium

6 Approximately how many chambers does the human heart have?

A Two
B Three
C Four
D Five

7 Which part of the body is primarily responsible for processing sensory information and controlling movement?

A Brain
B Liver
C Spleen
D Intestine

8 What is the largest organ of the human body by surface area?

A Liver
B Lung
C Skin
D Small Intestine

9 Which type of blood cells is responsible for fighting infections?

A Red blood cells
B White blood cells
C Platelets
D Plasma

10 What nutrient is essential for the building and repair of muscle tissue?

A Protein
B Fat
C Sugar
D Fiber

11 In which organ does the process of digestion primarily begin?

A Stomach
B Mouth
C Esophagus
D Large Intestine

12 What is the main function of red blood cells?

A Digesting food
B Transporting oxygen
C Fighting viruses
D Storing energy

13 How many lungs does a healthy human body typically have?

A One
B Two
C Three
D Four

14 Which skeletal structure protects the brain?

A Rib cage
B Pelvis
C Skull
D Spine

15 What is the primary function of the small intestine?

A Absorbing nutrients
B Storing water
C Filtering toxins
D Producing insulin

16 Which of these is a major muscle located in the chest area?

A Bicep
B Quadricep
C Pectoralis
D Gastrocnemius

17 What substance carries oxygen through the bloodstream?

A Hemoglobin
B Insulin
C Glucose
D Calcium

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

A Pupil
B Lens
C Iris
D Cornea

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