Digestive system

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What is the purpose of digestion?

• To get food

• To get nutrients

• To get oxygen

• To get water

Tags

NGSS.MS-LS1-7

What is first organ in the digestive system?

• Gullet

• Liver

• Mouth

• Stomach

What is the purpose of saliva

• To add enzymes that break down carbohydrates

• To add enzymes that break down fats

• To add enzymes that break down proteins

• To make the food into smaller pieces

What is a more scientific word for the gullet?

• Peristalsis

• Wind pipe

• Food pipe

• Oesophagus

What does the stomach contain

• Stomach juices

• Bile

• Hydrochloric acid

• Water

Which organ comes after the stomach in the digestive system

• Large intestine

• Pancreas

• Small intestine

• Liver

What two process take place in the mouth?

• The adding of saliva

• Tongue breaks down food

• Chewing to break down food

• Acid is added

What two process take place in the stomach?

• Churning of the food

• Addition of acid

• Chewing

• Absorption of water

What nutrient helps the process of digestion

• Fats

• Carbohydrates

• Protein

• Fibre