Question

what is the name of the blood component that is roughly 90% water, keeps the blood flowing, and helps cells remove waste? white blood cells platelets red blood cells plasma

Explanation:

Plasma is about 90% water. It is the liquid part of blood that helps maintain blood - flow and transports waste products from cells. White blood cells are part of the immune system, platelets are involved in blood - clotting, and red blood cells carry oxygen.

Answer:

plasma