Injured cells release chemicals that trigger expansion of blood vessels as well as movement of blood and immune system cells into the area. This response is the
A. fever.
B. complement system response.
C. counterattack.
D. inflammatory response.
Answer: D
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For each tissue type below, choose the type of organism that it is found in: a. animal b. plant
________ connective tissue ________ vascular tissue ________ dermal tissue ________ epithelial tissue ________ ground tissue _______ muscle tissue ________ nervous tissue What will be an ideal response?
Explain why the yellow solution in the graduated cylinder became a reddish color after it was incubated in the light with stems of Elodea.
What will be an ideal response?
If N2 gas comprises 79 percent of atmospheric air at sea level, what is PN2?
a. about 300 mm Hg b. about 400 mm Hg c. about 500 mm Hg d. about 600 mm Hg e. about 700 mm Hg
Light suppresses secretion of __________ by the pineal gland in the brain. Fill in the blank(s) with the appropriate word(s)