Is the rectum physical breakdown or chemical breakdown?

weathering

Digestionprior answer:nah nAH food pieces. I AM NOT KIDDING!

Chemical Digestion is where your stomach dissolves the food in your mouth by saliva, or when the enzymes and bile break it down in the stomach. Mechanical Digestion is when you chew the food using...

Catabolic reactions breakdown polymers into monomers. Enzymes in our body essentially aid in that process. Polymers cannot be absorbed into the cells so it has to be broken down into simpler units.

Yes, mechanical breakdown increases the surface area available for chemical reactions to occur on and therefore the speed of the chemical processes.