Question

C.
substances.
Fill in the blanks :
1. During
large pieces of food are broken down into
is the enzyme present in saliva.
3. The main steps in digestion of food in humans are
and
4. Animals like cow and sheep that chew the cud are called
5. The removal of undigested food is known as
​

Answer 1

Answer:

3) Mouth

4)Ruminant

5)Egestion

Explanation:

3)The digestive system is composed of the mouth, pharynx, esophagus, stomach, small intestine, large intestine (or colon), rectum, and anus. There are four steps in the digestion process: ingestion, the mechanical and chemical breakdown of food, nutrient absorption, and elimination of indigestible food