Digestive System Flashcards
Irrational bowel syndrome(IBS) can be a painful disorder of the digestive system. Which is a symptom of IBS?
Abdominal pain
The lining of the stomach is covered with rugae. What is the benefit of this?
Rugae increases the surface area of the stomach
What is the anatomy of the gastrointestinal system?
your mouth, esophagus, stomach, small intestine, large intestine and anus
What is the role of the gastrointestinal system?
It enables us to ingest food via the mouth, digest it by breaking it down, absorb it, and then expel the remaining waste as faeces via the anus.
What are the accessory organs of the digestive system and how do they contribute to digestion?
Pancreas-secretes digestive enzymes into the duodenum that break down protein, fats and carbohydrates. Also, produces insulin
Gall bladder-stores and concentrates bile from the liver, and then releases it into the duodenum in the small intestine to help absorb and digest fats.
Liver-processes the nutrients absorbed from the small intestine. Also, detoxifies harmful chemicals
Where does food pass through and not pass through in the digestive system?
It passes through the-pharynx, esophagus, sphincter, and stomach small intestine large intestine anus
What are the three parts of the small intestine?
Duodenum
Jejunum
Ileum
What is the function of the small intestine?
It absorbs nutrients and water from food so they can be used by the body.
What are the parts of the large intestine?
Appendix
Cocuem
Colon
What is the function of the large intestine?
forming and propelling feces toward the rectum for elimination.
What is the difference between mechanical and chemical digestion?
Mechanical digestion-involves physical movement to make foods smaller. Chemical digestion-uses enzymes to break down food.
What are the enzymes involved in digestion?
Amylase
Lipase
Protease
Lactase
Sucrase
