To transmit a nerve impulse, acetylcholine diffuses across a space called the ________ to bind to receptors on the postsynaptic membrane.
Fill in the blank(s) with the appropriate word(s).
synaptic cleft
Anatomy & Physiology
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The shape of the lens is controlled by the
A) pupillary sphincter muscles. B) pupillary radial muscles. C) ciliary muscles. D) iris. E) cornea.
Anatomy & Physiology
The small paired structures at the base of the penis that secrete a thick, alkaline mucus are the
A) seminal vesicles. B) prostate glands. C) preputial glands. D) Bartholin glands. E) bulbo-urethral glands.
Anatomy & Physiology
Oxygen deprivation causes the death of brain tissue within
Anatomy & Physiology
the brachioradialis muscles does which of the following actions?
a) extension of the elbow b) flexion of the elbow c) supination of the forearm d) pronation of the forearm
Anatomy & Physiology