Which vessel has a wall that is about 3/4 smooth muscle and thick external and internal laminae?
A. Large vein
B. Conducting artery
C. Distributing artery
D. Muscular venules
E. Medium vein
C. Distributing artery
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The chamber of the heart forming the apex is the ____________________.
Fill in the blank(s) with the appropriate word(s).
Dual innervation means that an individual effector
A. may be excited or inhibited by a single division of the autonomic nervous system. B. receives input from both the somatic and the autonomic nervous systems. C. receives input from both the sympathetic and the parasympathetic nervous systems. D. receives two autonomic axons on each smooth muscle cell.
The small intestine is so named because of its short length.
Answer the following statement true (T) or false (F)
Which skull canal does the internal carotid artery pass through?
A. Carotid canal B. Nasolacrimal canal C. External auditory canal D. Foramen ovale E. Jugular foramen