The digestive functions performed by saliva and salivary amylase respectively are
A. flushing and protein digestion.
B. swallowing and fat digestion.
C. peristalsis and polysaccharide digestion.
D. moistening and starch digestion.
E. None of these choices is correct.
D
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In at least some vertebrates, a small region of the caudal medulla called the __________ is essential for respiratory rhythm generation
Fill in the blank with the correct word.
Starting at the superior end, the uterus in the female is divided into __________.
a. isthmus, body, and cervix b. fundus, body, and cervix c. body, cervix, and isthmus d. cervix, body, and isthmus
A subcutaneous injection delivers medication into the
A. joint. B. dermis. C. hypodermis. D. muscle. E. epidermis.
The optic disc
A. is also called the macula lutea. B. is located in the vascular tunic. C. is on the anterior surface of the eye. D. contains no photoreceptor cells. E. is the site of greatest visual acuity.