Definitions 2

Question 1

Ingestion

Answer 1

Taking in of substances

Question 2

Mechanical digestion

Answer 2

Breakdown of food into smaller pieces without chemical change to the molecules

Question 3

Chemical digestion

Answer 3

Breakdown of large, insoluble molecules into small, soluble molecules

Question 4

Absorption

Answer 4

Movement of small food molecules and ions through the intestine wall into the blood

Question 5

Assimilation

Answer 5

Movement of digested food molecules into the cells of the body where they are needed

Question 6

Egestion

Answer 6

Passing out of food that has not been digested or absorbed as faces through the anus