Question

as blood volume decreases, blood pressure . if greater than of the blood volume is lost from the blood vessels, the division of the autonomic nervous system (ans) is activated, bringing about vasoconstriction of blood vessels, increased heart rate, and force of heart contraction in an attempt to maintain blood

Answer 1

If greater than 10% of the blood volume is lost from the blood vessels, the sympathetic division of the autonomic nervous system (ANS) is activated, bringing about increased vasoconstriction of blood vessels, increased heart rate, and increased force of heart contraction in an attempt to maintain blood pressure.

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