Question

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​

Answer 1

C

Step-by-step explanation:

Swelling is the result of the increased movement of fluid and white blood cells into the injured area. The release of chemicals and the compression of nerves in the area of injury cause pain.

Answer 2

I think the answer is B. let me know if im right