Questions and Answers
When you inhale, your ______ volume increases.
thoracic
Exhaling forcefully decreases the ______ of the thoracic cavity.
volume
Inhalation and exhalation promote pulling of the blood from the ______ into the heart.
veins
Venous return decreases when blood ______.
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People commonly ______ when they have to stand for a long time.
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Orthostatic hypotension is the temporary signal of low ______ volume.
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A vein is made out of an outer wall of ______ tissue.
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A vein has less smooth muscle than an ______.
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The sympathetic nervous system can produce ______ of the veins.
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Venous pressure increases when the ______ volume increases.
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