Human Body Basics

Use this answer key after players complete the quiz or when reviewing a printed worksheet.

1. Which organ pumps blood around the body?

Correct answer: A. Heart

Explanation: The heart pumps blood through blood vessels around the body.
2. Which organs help you breathe?

Correct answer: A. Lungs

Explanation: The lungs take in oxygen and help remove carbon dioxide.
3. What do bones help do?

Correct answer: A. Support and protect the body

Explanation: Bones support the body and protect important organs.
4. Which sense uses the eyes?

Correct answer: A. Sight

Explanation: Eyes are used for the sense of sight.
5. Which body system digests food?

Correct answer: A. Digestive system

Explanation: The digestive system breaks food down so the body can use nutrients.
6. What do muscles help your body do?

Correct answer: A. Move

Explanation: Muscles contract and relax to help the body move.
7. Which organ controls thinking and many body actions?

Correct answer: A. Brain

Explanation: The brain controls thinking, memory, and many body functions.
8. What is the body's largest organ?

Correct answer: A. Skin

Explanation: Skin is considered the body's largest organ.
9. Which habit helps keep teeth healthy?

Correct answer: A. Brushing teeth

Explanation: Brushing teeth helps remove plaque and supports dental health.
10. Why does the body need water?

Correct answer: A. To help many body functions

Explanation: Water helps temperature control, digestion, and many other body functions.

1. Which organ pumps blood around the body?