Discuss the corpus luteum of pregnancy
What will be an ideal response?
If fertilization and implantation do occur, the corpus luteum continues to grow and produce increasing quantities of progesterone and estrogen instead of degenerating. Now called the corpus luteum of pregnancy, this ovarian structure persists until pregnancy ends. It provides the hormones essential for maintaining pregnancy until the developing placenta can take over this crucial function.
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The amount of blood returning to the heart is the
A) afterload. B) stroke volume. C) end-diastolic volume. D) cardiac reserve. E) venous return.
ATP________ endergonic and exergonic reactions.
A. reduces B. opposes C. decomposes D. links E. dehydrates
Select the correct statement about electrolyte absorption
A) Chlorine ion absorption is coupled to glucose and amino acid transport. B) If vitamin B is not present, calcium is not absorbed. C) Iron and calcium are absorbed mostly by the duodenum. D) Potassium moves across the epithelium by active transport.
The primary function of the lens of the eye is to
A) provide the coloring of the eye. B) focus the visual image on the retinal photoreceptors. C) maintain the shape of the eye. D) focus the visual image onto the optic disc. E) All of the answers are correct.