Digest System 2024

Digestive System Part 1

Why we need food, why we need

digestive system, two types of digestion

Why you need food?

• 1. Food provides your body with

materials to make cells for growing and
for repairing tissues.

Why you need food?

• 2.Food provides energy for everything

you do.

•3 Functions of the

digestive system

• 1. Breaks down food into molecules the body

can use.

• 2. Puts the molecules into the blood to be

carried throughout the body

• 3. Helps eliminate waste from the body.

2 types of
Digestion

Digestion

–1. Mechanical digestion
—food is physically broken down
into smaller pieces.

Digestion

–2. Chemical digestion---chemicals

produced by the body break foods into
their smaller components.