Proteins. If your source of protein is from animals, that's called a "complete protein", if you're getting plant protein (beans, grains) you'll need to make sure to mix it up a bit getting the proteins from a few different sources so that you can get the complete protein.
its food
high
In the small intestine
Different types of food are beneficial for different parts of the body. Complete proteins are most beneficial for muscle power and good brain function. Complex carbohydrates provide fuel for the brain and body and are needed most by the body.
Triglycerides
sugars
When you eat, there are always bits of your food that can not be digested. This food is drained of most of its water, this waterless food is stored in the rectum as Feces, until it is eradicated through the body as a bowel movement.
the capillaries diffuse the digested food to every cell in the body
through you ass
oxygen, food, water
Digested food isn't really stored, it passes through the body at a steady pace.
True. Most animals have a cavity, like a stomach, where food is broken down by enzymes and acids to extract nutrients that the body can use for energy and growth.