When adding up values across the entire body, which type of vessel has the largest total cross-sectional area?
A. Veins
B. Arteries
C. Capillaries
Answer: C
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After entering the right atrium, the furthest a red blood cell can travel is the ________
A) superior vena cava B) left atrium C) ascending aorta D) pulmonary trunk E) right ventricle
Marielle is very thirsty following her tennis game. She drinks for a few minutes, then stops. The stimulus to stop drinking comes from
A. changes in intracellular fluid concentration. B. distension of her stomach. C. hormones secreted by stomach cells. D. changes in extracellular fluid concentration.
The conversion of the stimulus into an action potential to be interpreted by the brain is called
A) transformation. B) transduction. C) translation. D) transcription. E) transpotential.
The structure that houses the pituitary gland is called the
A) greater wing. B) dorsum sellae. C) crista galli. D) lesser wing. E) sella turcica.