Through Polymerization larger molecules are formed.
The two ways the endocrine system and the nervous system are different in communication, is that the nervous system responds rapidly to short-term changes in the body by sending electrical impulses. And with the endocrine system, it takes longer, so it's a long-term effect until it notices any changes and when it does, it sends chemical messengers known as hormones into the body.
Now, how they are similar, is because both the nervous and endocrine systems work together to maintain homeostasis.
Mass is the amount of matter in any object.
The saliva has enzymes that start to break down food using the lock and key system.The teeth chews the food and begins mechanical break down of food
