In order for cells of the body to receive nutrients from the food that we eat, digestion must be followed by _____________________________________. * 1 point excretion cellular respiration fluid retention . Anaerobic respiration
The human digestive system is made of gastroenteritis and organs such as saliva, tongue, and glands, etc. The digestion involves the breakdown of food substances into smaller components.
This begins in three phases. Chewing leads to the breakdown of food, saliva contains enzymes and the stomach consists of gastric glands.