Each time a human swallows, the ______ closes over the windpipe to make sure food goes to the stomach, and not to the lungs.
Epiglottis
100
Heartburn
causes a burning sensation; gastric juices back up into the esophagus from the stomach. The pain develops in the lower esophagus/near the entrance of the stomach.
100
Protein
begins to undergo chemical digestion in the stomach; 1 of 3 major food types
200
Saliva AND salivary glands
A liquid that's produced by 3 pairs of glands in the mouth.
3 pairs of glands produce saliva;they go to work whenever a human smells/sees/or thinks about food. They make 1.5 liters of saliva a day.
200
When food gets digested, it turns into a thick and creamy liquid called____.
Chyme
200
Amylase
A enzyme in the saliva that marks the beginnig of chemical digestion.
200
Enzyme
special protein produced by the body. Digestive enzymes help the body break down nutrietns into forms the body can use.
300
Sugar
Small particles that provide cells with the nutrients they need to do their job.
300
The______ ______ churn to help digestive juices do their job better. There are 3 types of this. 1)runs at an angle.2) on top of that is a layer that circles the stomach.3)One runs from the end of the stomach to another.
Stomach Muscles
300
Gastric juices
Begin the digestion of protein. The digestion juices. 2 juices; hydrochloric acid(acid) and pepsin(enzyme)
300
Esophagus
Food passes through this tube
400
Starch
Chains of simple sugar particles held together by chemical bonds.
400
The_____ protects the inner wall of the stomach. It's a thick,slimy liquid.
Mucus
400
Hydrochloric Acid
When it's pure, it extremley strong. But it's weaker in the stomach; it's one part of the gastric juice
400
Sphincter
A ring of muscle that helps keep food that has been swallowed in the stomach-where it should be.
500
Trachea
Lets air pass through.The trachea is blocked by the epiglottis when a person swallows food. It's a windpipe, and leads to the lungs.
500
When the gastric juices find a spot with no mucus, it penetrates the stomach wall, causing an_____. They can also be caused by a ceratin bacteria.
Ulcer(s)
500
Pepsin
An enzyme, that does most of the digestion work in the stomach.
500
Peristalsis
Keeps things moving in the large intestine; regular muscle contractions.