Digestion Absorption and Enzymes

The part of the digestive system which is highlighted represents:

• Oesophagus
• Small intestine
• Stomach
• Trachea

Series of involuntary contractions along the walls of the digestive tract

• Peristalsis
• Epiglottis
• Pepsin
• Stomach

Which of the following organs does not secrete digestive enzymes ?

• Small intestine

• Large Intestine

• Stomach

• Mouth

Where nutrients go after the small intestine has absorbed them.

• bloodstream
• stomach
• esophagus
• kidneys

Saliva contains this enzyme to start the digestive process of carbohydrates.

• spit
• amylase
• hydrochloric acid
• sodium bicarbonate

The organ that stores bile.

• gall bladder
• stomach
• liver
• appendix

Protein is broken down into ______________ before they are asborbed into the small intestines.

• fatty acids

• amino acids

• citric acid

• hydrochiloric

Tags

NGSS.MS-LS1-7

Villi are shaped the way they are so that:

• they move food through the digestive tract
• they mash up food
• they increase the surface area of the small intestine for absorption of nutrients
• they allow us to taste food

Lipase breaks down lipids into

• maltose

• glucose

• glycerol and fatty acids

• amino acids

Tags

NGSS.MS-LS1-7

Lipase is made in the

• mouth and esophagus

• small intestines and large intestines

• small intestines and pancreas

• liver