In October 2001 at the site of the World Trade Center in New York City, fires were still
burning from the terrorist attacks that had brought down the buildings. The greatest
danger to the respiratory system was
A) falling material from damaged buildings.
B) very large particles of debris.
C) very small particles of debris.
D) the odor.
C
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In the figure shown, which light micrograph shows areolar connective tissue?
a) A b) B c) C d) D e) E
Which of the following are effectors?
A) Glands B) Reflexes C) Receptors D) Sense organs E) Stimuli
The anterior compartment of the eye is filled with a fluid called the
A. vitreous humor. B. fovea centralis. C. lacrimal secretions. D. aqueous humor.
Skin covering the ________ has sweat glands but no hair follicles or sebaceous glands.
A. forearm B. back C. buttocks D. fingertips E. abdomen