★ Body Fluids & Circulation Quiz
How do parasympathetic neural signals affect the working of the heart?
A. Reduce both heart rate & cardiac output
B. Heart rate is increased without affecting cardiac output
C. Both the heart rate & cardiac output increase
D. Heart rate decreases but cardiac output increases
Select your answer:
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Heart and Blood Vessels › ViewWhat happens to your vascular smooth tissue when you are hot?
A. vasoconstriction
B. vasodilation
C. vase of flowers
D. vagal-vasal response
Kidney - Loop of Henlé › View
In the kidneys, osmotic pressure controls ______.
A. Glucose absorption
B. Sodium absorption
C. Water absorption
D. none of these