Control of secretions of the digestive tract is via the
A) submucosal plexus.
B) sympathetic nervous system.
C) Control is different in various areas of the tract.
D) myenteric plexus.
E) hypoglossal nerve
A) submucosal plexus.
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The endocrine system is a system of ductless glands that secrete their products into the interstitial fluid.
Answer the following statement true (T) or false (F)
80% of the lactic acid produced by skeletal muscle is converted to pyruvic acid by the ________
A) liver B) sarcoplasmic reticulum C) neuromuscular junction D) kidneys E) muscle tissue
Hemoglobin that has released its oxygen
A. loses its affinity for oxygen. B. will dissolve in the plasma. C. will bind more readily to carbon dioxide. D. is broken down to heme and globin and excreted. E. will bind more readily to oxygen.
Which bone bears the infraorbital foramen?
A. Maxilla B. Frontal C. Zygomatic D. Mandible E. Temporal