Health Chapter 5 Flashcards
Your ______________ ______________ breaks down food into water soluble substances
Digestive system
These water soluble substances then supply your body with a source of __________ and with materials to replace worn out cells in your body
Energy
Where does digestion begin
Your mouth
____________ breaks food into smaller pieces and softens it so it can be swallowed more easily
Chewing
__________ are protein molecules that are designed to make chemical reactions in your body that occur very rapidly
Enzymes
Your _________ contains a special enzyme that breaks down some of the starch from your food into sugar
Saliva
Your body is constantly making many different kinds of __________ every minute of your life
Enzymes
____________ enzymes are an important part of the food breakdown process, because they break starches into useful sugar molecules
Digestive
_____________, which are complex sugar molecules, must be converted into simple sugars before they can be useful to the body
Starches
What is the name of the tube that leads from your mouth to your stomach
Esophagus
_____________ is the motion that is used by the wall of the esophagus which helps push the food down the esophagus
Peristalsis
The _____________ also known as a trapdoor, keeps food from going into your trachea
Epiglottis
The first stop your food makes after leaving your mouth is your __________, which lies in the upper left part of your abdominal cavity
Stomach
What is the major purpose of the stomach
To store food
What do the two openings in the stomach lead to
The first one leads to the esophagus and the second one leads to the small intestine
Where does the stomach send its churned up food to for further digestion
The small intestine
The pathway food travels through your body
Alimentary Canal
Where is most of the food you eat digested
Your small intestine
What is the first short section of your small intestine called
duodenum
Where is the food mixed with juices produced in the wall of the small intestine and with juices from the pancreas, liver, and gallbladder, completing the digestive process
duodenum
What are the microscopic hairlike tubes called that cover the inside of the small intestine called
villi
What is the name for the largest internal organ of your body
Liver
What functions the digestion of oils
The liver
How much does the liver weigh
3 to 4 pounds