Which of the following examples demonstrates a positive feedback mechanism? A signal in one part of the body causes an accelerated effect in another part

Levels of waste products in the blood are lowered when they get too high.

The temperature of the blood is maintained at a set point of 98.6ºF.

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Winston's baseball team had the bases loaded in the last inning when his friend freddie watched three straight pitches go by without swinging and was called out on strikes out to end the game. how can winston demonstrate responsible behavior in this situation? a. ask the coach sarcastically, in front of the team, if he gave freddie the take sign b. confront freddie and let him know that the team would have won if he could hit c. ignore freddie both after the game and the next day at school d. tell freddie that no one is perfect and to keep his confidence up