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Digestive System Vocabulary
Terms in this set (31)
The fluid released when the mouth waters that play an important role in both mechanical and chemical digestive.
A protein that speeds up chemical reactions in a living thing.
A flap of tissue that seals off the windpipe and prevents food from entering.
A muscular tube that connects the mouth to the stomach.
A thick, slippery substance produced by the body.
Involuntary waves of muscle contraction that keep food moving along in one direction through the digestive system.
The process by which nutrients pass from the digestive system into the blood.
A muscular opening at the end of the rectum through which waste material is eliminated from the body.
The end of the large intestine where waste material is compressed into a solid form before being eliminated.
The last section of the digestive system, where water is absorbed into the blood and the remaining material is eliminated from the body.
A triangular organ that lies between the stomach and the small intestine.
Tiny finger-shaped structures they cover the inner surface of the small intestine and provide a large surface area through which digested food is absorbed.
The organ that stores the bile after it is produced by the liver.
A substance produced by the liver that breaks up fat particles.
The body's largest organ; it produces bile, breaks down medicines, and helps eliminate nitrogen from the body.
When you chew something into small pieces.
When chemicals produced by the body breaks foods into smaller chemicals.
The part of the digestive system in which most chemical digestion takes place.
A J-shaped, muscular pouch located in the abdomen.
A very strong acid that makes your stomach function properly.
An enzyme that chemically digests the protein in your food into amino acids.
Substances in food that provide the raw materials and energy the body needs to carry out all its essential processes.
A unit of energy.
An energy-rich organic compound made of the elements carbon, hydrogen, and oxygen.
A sugar that is the major source of energy for the body's cells.
Energy-containing nutrients that are composed of carbon, oxygen, and hydrogen.
Large organic molecules made of carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur.
A small molecule that is linked chemically to other amino acids to form proteins.
Molecules that act as helpers in a variety of chemical reactions within the body.
Nutrients that are needed by the body in small amounts and are not made by living things.
An enzyme, found in saliva and pancreatic fluid, that converts starch and glycogen into simple sugars.
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