Digestive enzymes are made of and are formed in the . Carbohydrate/ intestines

Protein/ accessory organs of the digestive system

Protein/ stomach

Carbohydrate/ accessory organs of the digestive system

Did you know that a blue wales tongue weighs more than an elephant?

Why do leaves change color in the fall? green pigments break down and no longer mask the color of chlorophyll. chlorophyll breaks down and no longer masks the colors of other pigments. red- and yellow-colored pigments grow and mask green-colored chlorophyll. green-colored chlorophyll breaks down and turns red and yellow.

In this experiment, the was intentionally manipulated. it is the independent variable. the dependent variables that were measured were the