Page 26 - e book prim 6

Delta Modern Language Schools

Science department

Grade 6

1st term 2024- 2025 1 • The begining of digestion

①inside the mouth

Jaw • chew the food and increase its surface area
Muscles
• This makes it easier for chemical enzymes (saliva)
produced
by the endocrine system to break down and digest
food

Saliva • A liquid in your mouth that contains enzyme can
easily soften the food and begins the chemical
breakdown of food.

2 • Breaking down of Food

②In the stomach

Stomach secretes digestive fluids that contain an acid and some enzymes
leads to more food breakdown

③In small intestine

• The pancreas and gallbladder secrete additional enzymes
that assist in the chemical breakdown of food.

• Absorption of nutrients takes place in the small intestine

④ In large intestine

Undigested food passed into the large
intestine (colon), then exit the
body as solid waste (stool).

►The last part of the large intestine is known as rectum that stores the

feces until it leaves the body through anus

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