The ________ produces erythropoietin that stimulates the red bone marrow to produce more red blood cells.
A. pancreas
B. liver
C. adrenal gland
D. kidney
Answer: D
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The primary germ layer that takes the place of the hypoblast is the
A. mesoderm. B. endoderm. C. centroderm. D. chorion. E. trophoblast.
Discuss the effects of growth hormone (GH) deficiency with examples
What will be an ideal response?
Blood cells and antibodies pass freely across the placenta.
Answer the following statement true (T) or false (F)
Cycliophorans have two types of larvae. One type of larva is produced when the digestive system of a female is impregnated by a male. The digestive system then collapses and develops into a larva, which swims away in search of a new host after the surrounding female dies. Which is the embryonic tissue that is apparently most important in forming this type of larva?