The total cross-sectional area is greatest in which blood vessels?
A) venules
B) arteries
C) arterioles
D) veins
E) capillaries
Ans: E) capillaries
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Like many insects, some amphibians undergo ________ in their life cycle as they have distinct larval and adult stages
A) aquatic development followed by terrestrial existence B) development in a nest followed by flight C) metamorphosis D) alternation of generations
the main substrates for gluconeogenesis are the three carbon long molecules of alanine, glycerol, and _________
Fill in the blank(s) with the appropriate word(s).
There has been a lot of discussion about stem cell research in mainstream literature (i.e., newspapers and magazines). Stem c ells come from all of the following except:
a) umbilical cord b)embryos c) bone marrow d) Stem cells can come from all of these sources
Assume that a woman has a "normal" 28-day reproductive cycle. She is concerned about the times in which she may get pregnant. Her partner tells her that the only day she has to worry about in terms of getting pregnant is the day she ovulates. Explain to
her why this is not the case. What will be an ideal response?