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Questions and Answers
What is the function of the human circulatory system?
What is the function of the human circulatory system?
- All of the above
- To transport oxygen and nutrients to the body's tissues and organs (correct)
- To transport carbon dioxide and waste products out of the body
- To fight infections and carry hormones
Why is blood never blue?
Why is blood never blue?
- It is a different color in different people
- None of the above
- It only turns blue when outside of the body
- It is used on diagrams to illustrate oxygenated and deoxygenated blood (correct)
What is the difference between helpful and harmful drugs?
What is the difference between helpful and harmful drugs?
- None of the above
- Helpful drugs can be medicines that help the body, while harmful drugs have a bad effect on the body (correct)
- Helpful drugs are always safe to take, while harmful drugs are always dangerous
- Helpful drugs are only prescribed by doctors, while harmful drugs can be bought anywhere
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