Nutrition - key concepts

Question 1

Ingestion

Answer 1

the taking of food into the digestive system through the mouth

Question 2

Egestion

Answer 2

food that cannot be digested is taken out of the body as faeces

Question 3

Assimilation

Answer 3

the digested food molecules are used to make new molecules. e.x. proteins or fats in our bodies

Question 4

Absorption

Answer 4

food diffuses across the wall of the small intestine into the blood vessels.

Question 5

digestion

Answer 5

the break down of large molecules of food into smaller so that they can be absorbed into our blood vessels.