Exam 1: Homeostasis: A Framework for Human Physiology

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Identify the effectors in this homeostatic reflex: Eating a salt-rich meal increases blood volume and pressure,stretching blood vessel walls.Nerve signals sent to the brainstem stimulate changes in hormonal and neural signaling.The heart rate is slowed,blood vessel walls are relaxed,and the kidneys increase urinary salt.The blood pressure returns toward normal.

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One function of epithelial cells is to form selective barriers regulating exchange of materials across them.

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Which is NOT a connective tissue cell?

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The composition of the fluid bathing the cells of the body is the same as that within the cells.

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