The digestion of the food in humans begins in the mouth. In the mouth, the salivary amylase enzyme digests and breaks down a small amount of the starch present in the food. The digestion process begins right in the mouth. and continues till the intestine. The carbohydrates (starch) are the ones whose digestion starts in the mouth.
Hence, the blanks can be filled with 'mouth and amylase' respectively.
active transport does move nutrients to areas with concentraition they do this and its called active transport because the body is activly moving it to a different part
Up to the the population carrying capacity the the population will increase to give a perfect balance and when the population will be much then the population will decrease.
