Digestive System

Question 0

*What is Peristalsis?

Answer 0

Smooth muscle contractions that move things (food/stool) through the digestive system. *Thats why we have diarrhoea, the muscles move in a ripple pattern, and they speed up.

Question 1

What does the Digestive System do?

Answer 1

Breaks down nutrients so that they can be used by the body Physically and Chemically
Eliminates solid waste from the body
Alimentary canal runs from mouth to anus

Question 2

What does the mouth do? What are the parts of the mouth and jobs?

Answer 2

Where digestion starts. Teeth: grind, chew. Saliva: Lubricates the mouth, Tongue: Pushes food back so we can swallow. Saliva glands produce saliva.

Question 3

What is Pharynx?

Answer 3

Throat

Question 4

What is Esophagus?

Answer 4

Muscular. Attached from mouth to stomach. Parallel with Trachea, they have a C shape around them, so there is room for expansion.

Question 5

How long is Esophagus?

Answer 5

25 cm

Question 6

What does the liver do?

Answer 6

Filters toxins, drugs, alcohols. URQ. *Liver produces Bile.

Question 7

Hat does the stomach do?

Answer 7

Continues to break down the food. *Chyme is an enzyme in the stomach. ULQ

Question 8

What does the pancreas and spleen do?

Answer 8

Insulin is produced in pancreas, and spleen filters blood. Insulin breaks down sugars. Diabetes is created if the body is not producing enough insulin, or produces too much.

Question 9

What does the gal bladder do?

Answer 9

MRQ. *Gal bladder stores Bile

Question 10

What does the small intestine do? What are the 3 parts?

Answer 10

*3 sections, Duodenum: More fluid is added. Food comes from stomach to this. Looks really runny. Jejunum: Absorbs the nutrients, looks really runny. Ileum: Absorbs the nutrients.

Question 11

What does the large intestine do?

Answer 11

Colon, Bowel: Sticky. Colostomy is where this is found. Large intestine is reabsorbing the water liquid into the body

Question 12

What does the appendix do?

Answer 12

Does nothing. A pouch, if crap goes in there and doesn’t get flushed out it turns into toxins. LRQ

Question 13

What does the rectum do?

Answer 13

Holds the Feces

Question 14

What does the anus do?

Answer 14

Where stool comes out

Question 15

*What are the 6 Major Structures of the Digestive System?

Answer 15

Mouth
Esophagus
Stomach
Small Intestine
Large Intestine
Anus