Edema is likely to occur when. The concentration of protein in the blood more. Hemorrhage occurs. the heart becomes an insufficient pump. Blood hydraulic pressure at the capillary decreases. the blood hydraulic pressure in a capillary is equal to the blood osmotic pressure. Red blood cell production increases when oxygen levels in the blood increase. Oxygen levels in the blood decrease. carbon dioxide levels in the blood increase. carbon dioxide levels in the blood decrease. protein levels in the blood increase. Platelets function in transporting chemicals important for clotting. forming temporary patches in injured areas. Contraction after clot formation. Initiating the clotting process. All of the answers are correct. The driving force for blood flow is a(n) gradient. osmotic volume pressure gravity