The process of breaking down food into smaller substance.
5 activities of digestions: Ingestion - taking food into the body Peristalsis - movement of food to digestive tract Digestion - breakdown of food Absorption - from digestive tract to the cells Defecation - elimination of food
Long continuous tube from mouth to anus.
Gastrointestinal tract OR Alimentary canal
Organs of gastrointestinal tract OR alimentary canal
Accessory organs of gastrointestinal tract OR alimentary canal
Layers of gastrointestinal tract OR alimentary canal
coats OR tunics
4 Layers of gastrointestinal tract OR alimentary canal. (from inside out)
Tunica Serosa (adventitia)
Mouth OR oral cavity aka
Oral Cavity functions:
Mechanical breakdown of food using teeth
Chemical breakdown of food using saliva - enzyme amylase
Under the tongue symmetrical division called
Found in front of the tongue, rough and for leaking.
Found towards the back of the tongue, for taste buds.
The major portion of saliva is secreted by_____.
Salivary glands are:
Submandibular gland (OR submaxillary gland)
Enzyme breaks down carbohydrates like starch
There are _____ temporary teeth or DECIDUOUS teeth in infants.
There are _____ permanent teeth in adult.
The 8 front teeth called ____. They are used to CUT food.
The 4 _____ teeth are used to tear food. They are aka CUSPIDS - 1 cusp.
The ____ teeth used to grind food.
Caused by virus, infects salivary glands. Swelling of salivary glands under the chin.
A tooth portion above the gums called ____
A tooth hard substance that protect the tooth from wear & acid called____.
A tooth embedded in the socket called ___.
A tooth made of ____. Enclosed the pulp - delicate tissue.
Base of the tooth, which blood vessels and nerves enter the tooth called _____.
Is part of digestive system & repiratory system. Passageway of food and air. It's function is use for swallowing.