Which of the following are true about negative feedback mechanisms? Check all that apply. -They control the muscular contractions during childbirth.
-They make internal changes to achieve a set point.
-They let you know you need to put on a jacket in cold weather.
-They help adjust the external environment.

***answers for other peeps***
2 and 3

Which of the following are true about positive feedback mechanisms? Check all that apply.
-They help to form blood clots in response to an open wound.
-They respond to changes by pushing back in the opposite direction.
-They cause the body to sweat when the outside temperature is too warm.
-They accelerate a process that has already started.
1 and 4