Painkilling chemicals that occur naturally in the body are known as

During the first month of development, how many layers of cells make up the embryo? a. 1 b. 2 c. 3 d. 4

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

What else happens in your cadriovascular in resonse to your sypathetic nervouse system?