Biology, 30.08.2019 14:20 eric271828
The heart pumps harder and blood pressure rises during a fight-or-flight response. this response is due to
a. thyroxine secreted by the thyroid gland.
b. adrenaline secreted by the adrenal glands.
c. insulin secreted by the pancreas.
d. oxytocin secreted by the pituitary gland.
Answers: 1
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The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above
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