Ques:Q: Are bones considered living or dead tissues? Choices: - decaying - decomposing - dead - living A:

Ans:living
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Ques:Q: The inside surface of the jejunum is covered with tiny projections called what? Choices: - flagella - mucosa - alveoli - villi A:

Ans:villi
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Ques:Q: What filters pathogens and worn out red blood cells from the blood? Choices: - the bladder - the stomach - the pancreas - the spleen A:

Ans:the spleen
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Ques:Q: Do metals tend to gain electrons or lose electrons in chemical reactions? Choices: - develop electrons - same number of electrons - gain electrons - lose electrons A:

Ans:
lose electrons
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