nutrition in human part one

Define ingestion

define digestion

define absorption

define assimilation

draw an arrow underneath Fig 2.1 to show the direction in which the food is moving.

Describe what is happening at H.

Explain how this causes the food to move.

Describe what is happening at I.

Explain how this causes the food to move.

Name the physical process which allows food to move along small intestines.

Explain why peristalsis allows the rate of protein digestion in the stomach to occur at a faster rate.