Science Vocab Test

Usable portion of food

Substance used to build and repair; made up of amino acids.

Building block of proteins.

Energy-rich substance found in foods such as vegetables, cereal grains, and breads.

Amount of heat energy needed to raise the temperature of 1 kilogram of water 1 degree C.

Substance that supplies the body with energy and also helps support and cushion the vital organs in the body.

Energy-rich substance.

Nutrient that helps regulate growth and normal body functioning.

Simple substance found in nature that helps maintain the normal functioning of the body.

Enzyme in saliva that breaks down some starches into sugars.

Chemical substance that helps control chemical reactions.

Breaking down of food by enzymes.

Physical action of breaking down food into smaller pieces.

Pipe-shaped tube that transports food to the stomach.

J-shaped, muscular organ connected to the end of the esophagus in which foods are physically and chemically digested.

Powerful wave of muscle contractions that pushes food through the digestive system.

Enzyme produced by the stomach that digests protein.

Organ in the digestive system in which most digestion takes place.

Organ that produces bile and breaks down excess amino acids.

Organ that produces pancreatic juice and insulin.

Organ that stores bile.