The human eye has approximately _____ million rods and _____ million cones.
A) 60; 12
B) 12; 60
C) 120; 6
D) 6; 120
C) 120; 6
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According to the text, there are people who claim to have psychic powers:
A. but most are never given a chance to prove it B. but the skepticism of scientists creates negative energy that disrupts these powers when these psychics are being tested C. and most have been certified as true psychics by James Randi D. most, however, cannot demonstrate these powers under carefully controlled conditions
The brain structure that monitors angiotensin levels and stimulates thirst is the:
a. hypothalamus b. cerebellum c. thalamus d. subfornical organ
Brain cells that are neither neurons nor glia, but which are capable of dividing and then differentiating into neurons or glia, are called ____.
A. parallel fibers B. intrinsic cells C. stem cells D. glomeruli
Briefly summarize the hypotheses offered to explain how social support positively influences physical health.
What will be an ideal response?