Axon branches are called collaterals.
Answer the following statement true (T) or false (F)
True
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The chorionic villi
A) help prepare the mammary glands for milk production. B) are free endodermal tips that grow toward the wall of the blastocyst. C) bulge into the amniotic cavity at the head fold and extend toward the trophoblast. D) provide the surface area for gaseous exchange between fetal and maternal bloodstreams. E) form constrictions that narrow the yolk stalk and the body stalk between the embryo and the surrounding trophoblast.
Explain how catabolism differs from anabolism
What will be an ideal response?
Compare the submucosal neural plexus with the myenteric plexus
A) The submucosal neural plexus and the myenteric plexus both contain neurons but the submucosal neural plexus innervates the mucosa only, whereas the myenteric plexus innervates the serosa only. B) The submucosal neural plexus contains only sensory neurons, whereas the myenteric plexus contains only motor neurons. C) The submucosal neural plexus and the myenteric plexus are both intricate capillary beds found in the layers of the digestive tract. D) The submucosal neural plexus and the myenteric plexus both contain neurons but the submucosal neural plexus innervates the mucosa and submucosa, whereas the myenteric plexus innervates the muscular layer. E) The submucosal neural plexus contains only motor neurons, whereas the myenteric plexus contains only sensory neurons.
What is the most important means by which capillary exchange occurs?
A. exocytosis B. diffusion C. ATP powered pumps D. facilitated diffusion