Gastro system

Question 1

Mouth/oral cavity

Answer 1

• responsible for initating digestion
• both mechanical (chewing) and chemical (saliva)

Question 2

Pharynx

Answer 2

throat or the passageway for the food between the oral cavity and the esophagus (part of respiratory system)

Question 3

Esophagus

Answer 3

• muscular tube connecting the mouth to the stomach
• uses wavelike contractions called peristalsis to move food into the stomach

Question 4

Stomach

Answer 4

• continues breakdown using gastric acid
• moves food to small intestine
• contains rugae (folds w/n the lining of stomach)
• located below the diaphragm in the LUQ

Question 5

small intestine

Answer 5

• takes most space in abdominal cavity
• responsible for absorption of nutrients
• divided into
  a. duodenum
  b. jejunum
  c. ileum

Question 6

large intestine

Answer 6

• called colon
• absorption is completed
• feces formed
• divided into
  a. cecum (connects to ileum where appendiz is located)
  b. ascending colon
  c. transverse colon
  d. descending colon
  e. sigmoid colon

Question 7

rectum

Answer 7

end of colon that stores feces until defecation

Question 8

anus

Answer 8

allows for elimination of feces

Question 9

liver

Answer 9

• produces bile to break down fats
• large organ located in RUQ

Question 10

gall bladder

Answer 10

• stores bile and connects to duodenum
• located inferior to the liver

Question 11

pancreas

Answer 11

• produces enzymes that aid with digestion
• posterior to stomach and connects to duodenum