The Digestive System - Definitions Flashcards Preview

Biology Yr9 > The Digestive System - Definitions > Flashcards

Flashcards in The Digestive System - Definitions Deck (12):
1

Ingestion

Eating or taking food into your mouth.

2

Digestion

Breaking food down into smaller substances that can enter the bloodstream.

3

Absorption

The way in which the soluble substances enter into the bloodstream

4

Assimilation

Soluble products in blood enter into body cells where they are used.

5

Egestion

The removal of waste food (defocation)

6

Enzymes

Enzymes break large molecules of food into smaller soluble parts

7

Amylase

Amylase breaks carbohydrates into sugar

8

Protease

Protease breaks down proteins

9

Lipase

Lipase breaks down fats

10

Peristalsis

Muscles contract and move the food along the digestive system

11

Hydrochloric acid

Hydrochloric acid helps to break down protein and kills bacteria.

12

Absorption

Absorption is when soluble food practicals go from the intestines in to the blood