Single-unit smooth muscle is ______ rather than requiring nervous stimulation
Fill in the blank(s) with correct word
self-excitable
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Lymphocytes can develop and mature in the ________
A) spleen B) tonsils C) lymph nodes D) red bone marrow
Plicae and intestinal villi
A) increase the absorptive surface area of the small intestine. B) carry products of digestion that will not pass through the walls of blood capillaries. C) produce new cells for the mucosa of the small intestine. D) secrete digestive enzymes. E) produce hormones.
Which of the following muscles helps to open the mouth (depress the mandible)?
A. Depressor anguli oris B. Sternohyoid C. Digastric D. Zygomaticus major E. Mentalis
Pulse:
a. can only be felt in the neck or upper body b. can be felt only in veins c. can be felt only in arteries d. requires that a vein pass over a bone