Heather donated the maximum allowed amount of blood at a blood drive, which is around 10% of her total blood volume. How will this affect her thirst mechanism?

A. The renin-angiotensin system will release hormones to stop her from feeling thirsty.
B. Distension of her stomach by the loss of blood will trigger thirst.
C. Her loss of blood volume will stimulate the cardiovascular system to signal the thirst center and stop her from feeling thirsty.
D. Her loss of blood volume will stimulate the cardiovascular system to signal the thirst center and make her feel thirsty.


Answer: D

Anatomy & Physiology

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