Digestive System Absorption Secretion

Amylase is secreted by

• salivary glands only

• pancreatic glands only

• Salivary and pancreatic glands

• liver and small intestine

Tags

NGSS.MS-LS1-7

Protein digestion takes place

• in the mouth

• in the stomach

• in the stomach and duodenum

• all of the above

Tags

NGSS.MS-LS1-7

Bile is produced by the

• Liver

• Pancreas

• Small Intestine

• Large Intestine

The protective substance that lines the stomach is called

• Mucus

• Saliva

• Pepsin

• Trypsin

Waves of contractions that move food one way through the digestive system are called

• Impulse

• Peristalsis

• Action Potential

• Metabolism

Most nutrient absorption occurs in the ________________ .

• mouth

• stomach

• large intestines

• small intestines

This is the enzyme that works on protein.

• protease

• HCl
• Bicarbonate
• Lactase

Tags

NGSS.MS-LS3-1

Which of these increase does not allow the ileum to be adapted for absorption

• large surface area

• richly supplied with blood capillaries and lymphatic capillaries

• ileum is one cell thick

• long

What is the function of the gall bladder? *2015 Q26

• absorption of fat

• digestion of fat

• production of bile

• storage of bile

The diagrams represent molecules of starch, protein and fat.

Which of the following mixtures of molecules will be found in the stomach?

• 
• 
• 
• 

Tags

NGSS.MS-PS1-2