The chorion forms from the
A) endoderm.
B) ectoderm.
C) inner cell mass.
D) placenta.
E) trophoblast.
E) trophoblast.
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A rise in the blood levels of follicle-stimulating hormone at the beginning of the ovarian cycle is responsible for
A) follicle maturation. B) menstruation. C) ovulation. D) menopause. E) atresia.
Consumption of salty food will cause an increase in this hormone
a) Aldosterone b) Renin c) ANH d) Angiotensin-II e) ADH
_____________ is a bacterial disease that affects a fish's eyes
Fill in the blank(s) with correct word
The arteries
a. serve as rapid-transit passageways from the heart because of their large radii b. act as a blood reservoir because they have the capacity to store large volumes of blood with little change in their internal pressure c. are the major sites of blood flow resistance in the vasculature d. are the site of exchange between the blood and surrounding tissues e. always carry oxygenated blood