All of the following are true of swallowing (deglutition) except one. Select the statement that is not true of swallowing
A) The involuntary portion of swallowing takes place in the pharynx.
B) The mouth, pharynx and esophagus all take part in swallowing.
C) The epiglottis assists in propelling food into the trachea.
D) The voluntary phase of swallowing takes place within the mouth.
C
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The renal vein takes blood from the kidney to the:
a) abdominal aorta b) renal artery c) superior vena cava d) inferior vena cava
A low count of which of the white blood cells shown in the figure may indicate radiation exposure, or systemic lupus erythromatosus?
a) A b) B c) C d) D e) E
Which of the following is not a function of the autonomic nervous system?
A) innervation of smooth muscle of the digestive tract B) innervation of cardiac muscle C) innervation of glands D) innervation of skeletal muscle
The tough "horny" superficial layer of the epidermis is known as the
A) stratum corneum. B) stratum lucidum. C) stratum basale. D) stratum granulosum. E) stratum spinosum.