Voluntary relaxation of the external anal sphincter that triggers defecation is controlled by the __________.
a) vagus nerve
b) sympathetic NS
c) ENS
d) cerebral cortex
Answer: d) cerebral cortex
Anatomy & Physiology
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The antecubital region is ______ to the brachial region
Fill in the blank with correct word.
Anatomy & Physiology
All of the following changes occur during puberty, except
A) the hypothalamus decreases its production of GnRH. B) FSH levels increase. C) LH levels increase. D) growth rate increases. E) gamete formation begins.
Anatomy & Physiology
The cells of the juxtaglomerular apparatus help regulate:
a. ammonia levels b. acid-base balance c. blood pressure d. all of the above
Anatomy & Physiology
Funny channels control which of the following currents?
a. inward sodium b. outward sodium c. inward potassium d. outward potassium e. inward calcium
Anatomy & Physiology