The addition or removal of heat changes the temperature of an object. The temperature can cool down or it can warm up.
1, heartburn. Keep stomach acid in the stomach!
Hello there!
The answer is enzymes.
Enzymes are biological catalysts, which means they decrease the amount of activation energy needed to start a reaction, therefore speeding up the rate of the reaction. They are part of the protein macromolecule group. Without them, our bodies would not process things efficiently or fast enough for us to live.
Hope I helped. Have a nice day.
Answer:
cardiovascular and blood vessals
Explanation:
