The cell types of the alveoli include which of the following?
A) goblet cells
B) pseudostratified, ciliated, and columnar epithelia
C) mucus glands
D) macrophages
E) All of the answers are correct.
D) macrophages
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What is the role of the serous membranes covering some organs?
a. to provide passage of nutrients for the organ tissues b. to serve as extra tissue for blood flow to the organ c. to prevent friction between the organ and body cavity wall d. to provide a protective outer covering for the organ
"Somatosensory" does not refer to sensory signals from __________.
A. bones and muscles B. joints C. proprioceptors D. the viscera E. the skin
The ____________________ fibers of the autonomic nerve pathway are located in the central nervous system
Fill in the blank(s) with correct word
All of the following are examples of negative feedback except ________.
A. uterine contractions in response to the pressure of the baby's head on the cervix B. secretion of glucagon in response to decreased blood glucose C. secretion of insulin in response to increased blood glucose D. sweating in response to elevated body temperature