Blood oxygen levels are monitored by (the)
A) aortic body.
B) carotid neurothelium.
C) carotid sinus.
D) aortic sinus.
E) None of the answers are correct.
A) aortic body.
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The signals that control your handwriting travel down the spinal cord in which tracts?
A. Tectospinal B. Corticospinal C. Spinocerebellar D. Fasciculus E. Vestibulospinal
Guinea pigs have large __________ sebaceous glands, they use for scent marking, especially unneutered boars
Fill in the blank(s) with correct word
Incomplete proteins contain all essential amino acids, but none of the others
Indicate whether this statement is true or false.
Motor neurons of the autonomic nervous system
A. always excite effector organs. B. always inhibit effector organs. C. can either excite or inhibit effector organs. D. do not excite effector organs but monitor their status of activity.