After a papercut, activated platelets release chemical signals to activate more platelets. In this example, the break in the blood vessel wall is the of a feedback loop.

they both go up but then go back down. they both end lower than they started. lastly, they both are competitive/the second on.

explanation:

the animal that would be cutest if scaled down to the size of a cat? elephant

b tumor cells have a cell wall instead of a membrane

explanation:

tumor cells different from normal cells because tumor cells have a cell wall instead of a membrane.