Weegy: a and c User: The digestion process starts in the _____.
D.mouth Weegy: d User: The kidneys _____. A.filter waste from the blood
B.reabsorb nutrients for the blood
C.ensure the body is hydrated
D.oxygenate the blood Weegy: a User: Oxygen and carbon dioxide pass back and forth between the alveoli and the blood through _____. A.veins
D.bronchioles Weegy: ... (More)