asked 28.6k views
22 votes
Why does an injured area hurt?

a) increase temperature in the area stimulates pain receptors
b) histamine stimulate pain receptors
c) swelling in the area stimulates pain receptors​

asked
User Hurb
by
8.1k points

2 Answers

2 votes
Histamine stimulate pain receptors
answered
User Oleg Sherman
by
8.5k points
2 votes
I think the answer is A because of the temperature change on the area
answered
User Bundy
by
8.0k points
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