The Digestive System

Question 1

what are the two main groups that the digestive system can be divided into?

Answer 1

• Alimentary canal (the tube system for transportation)

- The accessory organs (the machinery for digestion – secretion)

Question 2

What are the organs involved in digestion? Where are they spatially? relative to the esophagus, the stomach, and the intestine

Answer 2

• First, Salvary gland
• The liver (sit on the right hand side of the stomach)
• The gallbladder is a small organ that sits on the liver. This is where bile is stored. Bile is produced in the liver and stored in the gallbladder.
• The pancreas is behind the stomach. (secrete digestive enzyme)

Question 3

how does the liver assist with fat digestion?

Answer 3

It produced bile. Bile emulsifies fat. Bile is amphipathic – break down fat into smaller trunks for digestion

Question 4

Where is the pancreas and what does it do?

Answer 4

It releases hormones (endocrine – Insulin, glucagon)

It also is responsible for the secretion of digestive enzyme which plays a big part in indigestion.

Question 5

What are the enzymes being released by the pancreas? common sense … what do you need to digest?

Answer 5

Protein - Protease
Fat - Lipase
DNA/ RNA - nuclease
Starch - Amylase

Question 6

The stuff coming out of the stomach is very acidic and the digestive enzyme works on the neutral condition, how does the intestine obtain a neutral pH?

Answer 6

Releases of Bicarbonate from the pancreas.

Question 7

What are the layers made up the alimentary canal? structure informs functions – how are these layers different in the intestine and the stomach?

Answer 7

Check notebook

Question 8

where is the cardiac sphincter? what does it do?

Answer 8

• The sphincter prevents acid reflux from the stomach. Heartburn