Blood Circulation Quiz

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

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)

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