When you swallow, the ____ prevents food from entering the trachea.
Fill in the blank(s) with the appropriate word(s).
Ans: epiglottis
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An increased secretion of watery saliva will result when the
A. basal nuclei of the brainstem activate sympathetic pathways to salivary glands. B. basal nuclei of the cerebrum activate somatic pathways to salivary glands. C. salivary nuclei of the brainstem activate parasympathetic pathways to salivary glands. D. salivary nuclei of the cerebrum activate sympathetic pathways to salivary glands. E. glossopharyngeal nuclei of the pons activate somatic and sympathetic pathways to the salivary glands.
The type of joint between the carpal and the first metacarpal is a ________ joint
Fill in the blank(s) with the appropriate word(s).
If the total pressure of a mixture of gases was 760 mm Hg and its composition is 20% oxygen, 0.04% carbon dioxide, 75% nitrogen, and 5% water vapor, then the partial pressure of oxygen would be
A. 740 mm Hg. B. 20 mm Hg. C. 148 mm Hg. D. 152 mm Hg. E. 200 mm Hg.
Following the American Cancer Society's guidelines for the early detection of breast cancer improves the chances that breast cancer can be diagnosed at an early stage and treated successfully.
a. true b. false