How do pain relievers work?
increase production of white blood cells
increase body temperature
block messages within the nervous system
block hormone production

The correct answer is option C, block messages within the nervous system

Explanation:

Whenever our body gets injured, the damaged cells in it releases a chemical known as “prostaglandin” which sends pain signals through the nerves to the brain. Now when a pain reliever is injected in the body, it stops the production of prostaglandin. As the chemical production stops, no pain messages are send to the brain and thus the pain goes away

colors do exist. the color of the sky is actually violet; humans percieve the color of the sky as blue.

well the answer is 2!