A condition NOT regulated by a negative feedback loop would be:
a) childbirth
b) body temperature
c) blood pressure
d) heart rate
e) blood sugar
Answer: a
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The membranous soft spots of a newborn's skull are called ________.
Fill in the blank(s) with the appropriate word(s).
If cardiac muscle cells are unable to repolarize, this would cause
A. an increased demand on mitochondria to produce more ATP. B. tachycardia. C. cardiac output to increase. D. the heart rate to decrease. It might cause cardiac arrest. E. no harm. These cells can spontaneously depolarize anyway.
Indicate the class of tissue that is capable of regeneration, is avascular, and consists of cells that are bound to each other via specialized junctions
A. epithelial tissue B. muscle tissue C. connective tissue
Which blood vessel carries blood toward the heart?
A. Capillary B. Vein C. Artery D. All of these vessels carry blood toward the heart.