Digestive System and Nutrition

Match the following parts of the digestive system with their function.

• small intestine

• digests nutrients and absorbs them

• large intestine

• absorbs water to make faeces

• stomach

• chews the food, digestion of carbohydrates

• mouth

• digests protein, kills bacteria

Match the following accessory organs with their function

• gall bladder

• produces bile to mechanically digest lipids

• liver

• stores bile and releases it into the small intestine

• pancreas

• produces and releases a juice with digestive enzymes + which neutralises stomach acid

Put the events of the digestive system in order.

• Food is chewed and mixed with amylase in the mouth.

• Food is mixed with acid and enzymes which digest proteins.

• Peristalsis in the oesophagus moves food to the stomach.

• Water is absorbed, leaving faeces which are egested.

• Digestion is completed, and the nutrients are absorbed.

Where does ingestion occur?

Tags

NGSS.MS-LS1-7

How are macromolecules in our food broken down?

• They are absorbed as they are into the bloodstream

• They are broken down mechanically and chemically into their simplest forms

• They are broken down only chemically

• They are broken down only mechanically

Bile is produced in the

• stomach

• small intestine

• pancreas

• liver

Kind of nutrition in which the organisms feed on dead and decaying organic matter is ____________

• Holozoic

• saprophytic

• parasitic

• autotrophic

Carbohydrates enter the body, and the body breaks them down into which of the following?

• A: Simple sugars

• B: Complex sugars

• C: Simple starches

• D: Complex starches

Tags

NGSS.MS-LS1-7

Which one of the component is energy - giving component?

• Proteins

• Vitamins and minerals

• Roughage

• Carbohydrates and fats

Tags

NGSS.MS-LS1-6

NGSS.MS-LS1-7

Which of these foods contains the most lipids?

• chicken

• butter

• celery

• Dr. Pepper