The action potential traveling down the T tubule causes the sarcoplasmic reticulum to release ____ ions into the fluids surrounding the myofibrils

a. sodium

b. potassium
c. chloride

d. calcium


d

Anatomy & Physiology

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The model that explains how an enzyme and substrate fit together is called the ________.

enzyme-substrate model lock-and-key model conformational model induced-fit model

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The hypothalamus exerts master control over the motor system.

Answer the following statement true (T) or false (F)

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Where is the gracilis?

a) H b) I c) J d) K e) L

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The tissue that forms the outermost layer of the skin is a type of connective tissue.

Answer the following statement true (T) or false (F)

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