Question

write the main step of digestion in human​

Answer 1

$Answer:-$

There here is your answer:-

There are four steps in the digestion process: ingestion, the mechanical and chemical breakdown of food, nutrient absorption, and elimination of indigestible food. The mechanical breakdown of food occurs via muscular contractions called peristalsis and segmentation.

Answer 2

Answer:

mouth,pharynx, esophagus, stomach, small intestine, large intestine, rectum and anus