Ques:Q: In heart muscle, what released by neurons activates a signal transduction pathway? Choices: - dopamine - glucose - glutamate - acetylcholine A:

Ans:acetylcholine
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Ques:Q: What does magma that cools underground form? Choices: - anomalies - plates - cracks - intrusions A:

Ans:intrusions
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Ques:Q: A doorknob and a ferris wheel are examples of what type of simple machine? Choices: - ball and socket - lever and pulley - ball and axle - wheel and axle A:

Ans:wheel and axle
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Ques:Q: Where are feces formed? Choices: - duodenum - liver - small intestine - large intestine A:

Ans:
large intestine
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