A. histamine released from mast cells causes relaxation of smooth muscle in the walls of capillaries, which increases local blood flow. b. during inflammation, plasma proteins leak into the extravascular space, increasing the rate at which water leaves capillaries by osmosis. c. delivery of oxygen and nutrients is aided by increased fluid flow through inflamed areas. d. neutrophils accumulate in the extravascular space in inflamed areas. e. both basophils and mast cells are granulocytes.

What is the role of fadh2 in cellular respiration

What kind of crystalline solid is graphite? o a. molecular solid b. metallic solid o c. network solid d. ionic solid

1. variations in a population of moths allow for some of its members to be able to adapt to environmental changes. the better adapted of the moths will be able to survive the change and thus prevail as the “fittest” of the species. (a) describe three mechanisms in which variation can occur within a species population. (b) explain which mechanism or mechanisms would be responsible for the survival of a population of peppered moths better than white moths in an environment affected by industrial soot. justify your answer.