The plicae of the intestinal mucosa, which bears the intestinal villi, are structural features that __________.
a. initiate enterogastric reflexes that accelerate the digestive process
b. provide for gastric contractions that churn and swirl the gastric contents
c. increase the total surface area for absorption
d. stabilize the mesenteries attached to the dorsal body wall
Answer: c. increase the total surface area for absorption
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Which is FALSE about interneurons?
A. They sum excitatory and inhibitory synaptic inputs. B. They deliver synaptic input on other neurons. C. They can transmit information between afferent neurons and efferent neurons. D. They make synapses on effector organs in the PNS. E. They receive synaptic input from other neurons in the CNS.
The epithelium of the seminiferous tubules consists of
A. spermatogonia and spermatids. B. interstitial cells and sustentacular cells. C. adipose cells and chondrocytes. D. spermatogenic cells and sustentacular cells.
Which muscle is not essential to taking a bite of food and chewing it?
A. Masseter B. Palatoglossus C. Temporalis D. Genioglossus E. Zygomaticus major
The lateral end of the clavicle forms the sternoclavicular joint.
Answer the following statement true (T) or false (F)