The region of the brain that is the most important control area for homeostatic regulation of the internal environment is:
A. the thalamus.
B. the hippocampus.
C. the cerebrum.
D. the cerebellum.
E. the hypothalamus.
E
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If the muscle fiber is stimulated so rapidly that it does not have a chance to relax at all between stimuli, a smooth, sustained contraction of maximal strength known as ____________________ occurs
Fill in the blank(s) with correct word
A ________ hormone stimulates the secretion of other hormones from the target tissues.
A. inhibitory B. releasing C. lipid derivative D. tropic
Which genetic disorder is caused by having three chromosomes 21?
A. Hemophilia B. Down syndrome C. Sickle cell disease D. Achondroplasia E. Albinism
Fatty acids enter the cell respiration pathway at
A. the intermediate stage, once they have been converted to pyruvate. B. glycolysis, once they have been converted to glucose. C. the citric acid cycle, once they have been converted to acetyl CoA. D. electron transport chain, once they have been converted to NADH.