The Digestive System

The Digestive System

1. Mouth:

• Food is grinded into small pieces by teeth, which increases the food's surface area
• Salivary glands produce saliva, which makes the food moist and easier to swallow
• Food mixes with amylase, which is an enzyme released by the salivary glands
• Amylase breaks down starch into glucose

2. Oesophagus:

• Food is pushed down the oesophagus by contracting muscles

3. Stomach:

• Food is churned up with hydrochloric acid (pH of 1-2)
• …