The inhibitory neurotransmitters of the CNS, GABA and glycine, act by opening ________ channels.

A) Na+ and K+
B) only Ca2+
C) only K+
D) only Na+
E) only Cl-


E) only Cl-

Anatomy & Physiology

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During inspiration, intra-alveolar pressure is __________ than atmospheric pressure

Fill in the blank(s) with correct word

Anatomy & Physiology

In humans, the term anterior is the same as __________.

Fill in the blank(s) with the appropriate word(s)

Anatomy & Physiology

A muscle that controls the diameter of an opening is a ________ muscle

A) parallel B) convergent C) pennate D) bipennate E) circular

Anatomy & Physiology

The figure illustrates changes in the membrane potential during an action potential. What does "E" represent?

A. Local potential B. Depolarization C. Repolarization D. Afterpotential E. Threshold

Anatomy & Physiology