The action potential spreads through the atria by gap junctions, but there are no gap junctions present in the ventricles, so the impulse must be propagated throughout the ventricular myocardium by the bundle of His and Purkinje system

Indicate whether the statement is true or false


F

Anatomy & Physiology

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What lines the structure labeled "7"?

A) the endosteum B) blood vessels C) the central canal D) spongy bone E) trabeculae

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When an enzyme's conformational change results in the enzyme hugging the substrate in its active site, the action is referred to as the __________ model of enzyme function

Fill in the blank with correct word.

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Which of the following promotes elastic recoil of the lungs?

a. Elastic fibers in the lung b. Surface tension of the fluid lining the alveoli c. Pulmonary surfactant d. Both a and b e. All of the above

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The fluid passing through the tip of the loop of Henle is ____________________ relative to normal body fluids

Fill in the blank(s) with correct word

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