D :D hope it was right I'm not sure but I'm trying so if it is ur welcome
Answer:
A bc it moves the bones in the arm and the muscles and the nerves are what send the signals to the muscles to move
Answer:
What glands secrete enzymes?
Abstract. The exocrine pancreas and certain salivary glands of mammals secrete a variety of enzymes into the gastrointestinal tract, where they digest food. The same glands also release these enzymes into the bloodstream.
Explanation:
Discover how strong winds high above the earth called "jet streams" are responsible for steering all weather to and away from us.