All ANS preganglionic axons release ________ as their neurotransmitter.
Fill in the blank(s) with the appropriate word(s).
acetylcholine
Anatomy & Physiology
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The first branches of the aorta are the
A. brachiocephalic arteries. B. common carotid arteries. C. right and left pulmonary arteries. D. right and left subclavian arteries. E. right and left coronary arteries.
Anatomy & Physiology
When a clot is no longer needed, what is it dissolved by?
A. Platelet-derived growth factor B. Fibrinase C. Serotonin D. Plasmin E. Prothrombin
Anatomy & Physiology
Which muscle closes the eye?
A. Levator palpebrae B. Orbicularis oris C. Orbicularis oculi D. Zygomaticus minor E. Depressor anguli oris
Anatomy & Physiology
The cell membrane acts as a good
A) source of ions. B) electrical gradient. C) electrical insulator. D) electrical conductor.
Anatomy & Physiology