Generally the hormones secretin and cholecystokinin which are released by duodenal enteroendocrine cells will ________
A) speed the churning of the stomach
B) increases the output of stomach acid
C) speed the activity of the jejunum
D) slow the activities of the stomach
D
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Striations but not intercalated discs are seen in _____________ muscle tissue
Fill in the blank(s) with correct word
Iron
A. is needed to produce hemoglobin. B. is a plasma coagulation factor. C. is the binding site for carbon dioxide on the hemoglobin molecule. D. prevents carbon monoxide from binding to hemoglobin. E. interferes with the normal function of hemoglobin.
The first indication of a high degree of erythropoiesis is when reticulocytes make up more than ____ percent of the circulating red blood cells
a. 0.3 b. 0.5 c. 1.0 d. 1.5 e. 1.9
The first 1 to 2 minutes of moderate to heavy exercise relies on ________ for ATP production.
A. aerobic respiration of fatty acids B. anaerobic respiration of amino acids C. aerobic respiration of glucose D. anaerobic respiration of glucose