Digestive System

Question 1

What digests and absorbs food?

Answer 1

Alimentary canal or gastrointestinal (GI) tract

Question 2

6 essential activities of the digestive process

Answer 2

1. Ingestion
2. Propulsion
3. Mechanical digestion
4. Chemical digestion
5. Absorption
6. Defecation

Question 3

Peristalsis

Answer 3

Alternatice contraction/ relaxation moves food along the tract distally (esophagus)
Part of Activity 2 (propulsion)

Question 4

Segmentation

Answer 4

Nonadjacent segments of alimentary tract organs alternatively contract and relax
Move food forward and backward
(Stomach and Intestine)

Question 5

Peritoneum cavity

Answer 5

Serous membrane of the abdominal cavity

Question 6

Visceral peritoneum

Answer 6

Covers external surfaces of most digestive organs

Question 7

Parietal peritoneum

Answer 7

Lines the body wall

Question 8

Peritoneal cavity

Answer 8

Lubricates digestive organs

Question 9

Mesentery

Answer 9

Double layer of peritoneum that provides nerovascualr supply to the viscera

Question 10

Splanchnic Circulation of hepatic, splenic, and left gastric serve

Answer 10

Spleen, liver, and stomach

Question 11

Splanchnic circulation of interior and superior mesenteric serve

Answer 11

Small and large intestines

Question 12

Hepatic portal circulation

Answer 12

Collects nutrient rich venous blood from the digestive viscera
Delivers blood to the liver for metabolic processing and storage