Which of the following is a mechanistic explanation of a physiological phenomenon?
a. You breathe to obtain oxygen.
b. You sweat to cool off.
c. Your stomach secretes digestive juices when stimulated by the nervous system.
d. Your heart beats to pump blood.
e. Your kidneys produce urine so that cellular wastes do not poison your body.
C
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Urine is carried from the urinary bladder to the outside of the body by the
A) urethra. B) glomerulus. C) convoluted tubule. D) ureter. E) collecting duct.
Greater visual acuity results from convergence of ________ numbers of photoreceptors onto retinal ganglion cells.
Fill in the blank(s) with the appropriate word(s).
The most common site for IV catheter placement is the saphenous vein
Indicate whether the statement is true or false
Which event occurs during exercise but NOT during fasting?
A. increased breakdown of triglycerides B. increased glycogenolysis C. increased glucose uptake by muscle D. increased fatty acid oxidation E. increased cortisol secretion