Enteroendocrine cells of the GI tract produce some hormones that are chemically identical to neurotransmitters
Indicate whether the statement is true or false
TRUE
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When necessary, blood bypasses a capillary bed through
A) an arterial anastomosis. B) venous valves. C) arteriovenous anastomoses. D) precapillary sphincters. E) venules.
What are the three blood reconditioning organs?
a. large bowel, spleen, kidneys b. large bowel, spleen, skin c. stomach, kidneys, skin d. digestive organs, kidneys, skin e. digestive organs, spleen, bone marrow
Negative feedback operates to maintain a controlled factor in a relatively steady state, whereas positive feedback moves a controlled variable even further from a steady state
Indicate whether the statement is true or false
The liver performs all of the following functions except ________
A) producing insulin and glucagon B) synthesizing cholesterol C) carrying out most beta oxidation D) synthesizing glucose from fats and amino acids E) converting ammonia to urea