The process of defecation eliminates
A) a bolus.
B) chyme.
C) feces.
D) ascites.
E) bile.
C
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Melanin
A. is increased with exposure to infrared light. B. is a pigment produced by cells in the stratum corneum. C. makes the skin lighter. D. is absent in individuals with albinism. E. is transferred to other cells by osmosis.
Which of the following is NOT true of glial cells?
A. They deliver fuel molecules to neurons and remove the waste products of metabolism. B. They are outnumbered 10 to 1 by neurons in the nervous system. C. They are important for the growth and development of the nervous system. D. They regulate the composition of the extracellular fluid in the CNS. E. They form the myelin for axons.
Which of the following is the proper sequence of the menstrual (uterine) cycle?
a. menstrual phase, secretory phase, proliferative phase b. menstrual phase, proliferative phase, secretory phase c. proliferative phase, menstrual phase, progestational phase d. menstrual phase, proliferative phase, progestational phase e. proliferative phase, secretory phase, menstrual phase
Identify the structure located within the mediastinum
A) pericardial cavity B) small intestine C) lung D) spleen E) stomach