Which system is directly involved with heat
production?
a. endocrine system
b. nervous system
c. muscular system
d. respiratory system
e. skeletal system
C
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A free-swimming jellyfish has a body form known as a
(a) polyp. (b) strobila. (c) medusa. (d) hydra.
How does sickle cell anemia reduce the blood’s ability to deliver oxygen to tissues?
a. The plasma membrane is too thick to allow oxygen to diffuse into sickle-shaped red blood cells. b. Sickle-shaped red blood cells puncture normal red blood cells, causing them to rupture and lose hemoglobin. c. Deformed red blood cells clog capillaries, preventing other red blood cells from passing through. d. Sickle cells contain a mutated form of hemoglobin that binds to half as many oxygen molecules.
The longest wavelength of visible sunlight is:
a. Blue b. Violet c. Red d. Yellow
Hakeem, given up for adoption as an infant, has red-green color blindness. Is this fact useful in helping him to track down his biological father? Explain
What will be an ideal response?