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The endocrine system is responsible for generating heat.

A) True
B) False

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A person in the anatomical position is visualized to be:


A) standing upright.
B) laying down on his or her back.
C) laying down on the stomach.
D) sitting down.

E) B) and D)
F) A) and C)

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Explain how scratching a chaffing label on a shirt is an example of a negative feedback loop.

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An irritation to the skin from a chaffin...

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The type of feedback that increases or enhances the effects of the variable is:


A) responsive.
B) negative.
C) neutral.
D) positive.

E) All of the above
F) A) and B)

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Select the appropriate directional term to complete this sentence: The mouth is________ to the nose.


A) inferior (caudal)
B) superior (cranial)
C) distal
D) posterior (dorsal)

E) B) and C)
F) A) and C)

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Define metabolism.

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Metabolism includes the wide range of ch...

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Discuss the role of effector in both the negative and positive feedback loops.

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In a negative feedback loop,the effector...

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Negative feedback loops produce responses in the opposite direction of the initial stimulus while positive feedback loops produce responses in the same direction of the initial stimulus.

A) True
B) False

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