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 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
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 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