The main function of the human digestive system is to a. Rid the body of cellular waste materials
b. Process otrganic molecules so they can enter cells
c. Break down glucose in order to release energy
d. Change amino acids into proteins and carbohydrates

Compare and contrast region e in the illustration above with region d. describe the physical characteristics of each region.

How does deforestation affect the water cycle? a. it increases the amount of runoff b.it increases the amount of percolation c. it increases the amount of transpiration d. it increases the amount of precipitationa it increases the amount of runoff

The unique structure of the neuron is dedicated to the efficient and rapid transmission of neural signals. the relationship between neurons, the spinal cord, and the brain constitutes an elaborate communication system throughout the human body. all but one of the functions listed below are a result of this interaction.