Chapter 26 Flashcards
Digestive system is responsible for
Adequate nourishment and hydration of the body.
Mastication
Chewing
The digestive system extends from
The mouth to the anus. It’s a long tube that twists and turns with a series of hollow organs along the way.
The digestive system is protected by
A mucosa lining that prevents acid from causing sores or ulcers
Mucosa containing a digestive juice is located ?
In the mouth, stomach and small intestine
Aside from the mucosa that produces digestive what other organs produce digestive juices?
Liver and pancreas
Livers help with digestion
Produces bile that helps with digestion that is stored in the gall bladder.
Pancreas helps to digest food by
Producing enzymes that break down food particles.
The mouth is the
Opening of the alimentary tract
Monosaccharides
Simplest form of carbohydrates (simple sugar)
Amylase or ptyalin
Enzymes that break down carbs
Stomach has 3 parts
Fund us body, pyloric
The stomach walls have parietal cells that secrete
Hydrochloride acid which converts pepsin
Proteolytic enzyme pepsin chemically breaks down
Protein into amino acid
Peristalsis
Smooth muscle contractions that move chyme along the digestive track.
Chyme consists of
Carbs, monosaccharides, proteins, and amino acid.
Small intestine has 3 parts
Duodenum, jujunum, ileum
Duodenum is the
First part of small intestine
About _____ % of all food chemically digests in the _______.
80%, duodenum of the small intestine
80% of all ulcers are found in the
Duodenum of the small intestine
Monosaccharide
Simplest form of carbohydrate (glucose, fructose)
Pepsinogen -
Precursor to pepsin
Pepsin -
Digestive enzyme needed to break down proteins
Protease -
An enzyme that begins breakdown