Ques:Q: Waste leaves the body in the form of what? Choices: - saliva - stomach acid - impurities - feces A:

Ans:feces
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Ques:Q: What properties describe the existence of matter, as opposed to chemical properties that describe how substances change into other substances? Choices: - gravitational - astronomical - biological - physical A:

Ans:physical
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Ques:Q: What types of drugs affect the brain and influence how a person can feel, think, or act? Choices: - antibiotics - analgesics - prescription - psychoactive A:

Ans:psychoactive
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Ques:Q: A channel protein is an example of what type of protein? Choices: - component proteins - choice proteins - hemoglobin protein - transport proteins A:

Ans:
transport proteins
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