The wall of an artery contains two types of connective tissue fibers: _____________ fibers provide tensile strength and ________________ fibers allow the vessel to recoil after being stretched
Fill in the blank(s) with correct word
collagen, elastin
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Why is the hand region of the homunculus on the precentral gyrus so large?
A. We have very sensitive fingertips. B. Our arms require a lot of muscle control. C. We have very mobile wrists. D. We have a lot of motor units associated with finger movement. E. The hand is a proportionally large part of the body.
The pulmonary circuit is the only route in which arteries carry less oxygen than veins.
Answer the following statement true (T) or false (F)
Metabolic acidosis caused by excessive blood levels of ketones is one of the harmful consequences of untreated type 1 (insulin-dependent) diabetes
Indicate whether the statement is true or false.
The results of the temperature experiment suggest that there is a greater concentration of cold receptors than warm receptors in the skin.
Answer the following statement true (T) or false (F)