(A) Blood plasma transports salts, sugars, fats, and dissolved proteins through the body to keep it healthy.

(B) The diaphragm and rib cage work together to move air into and out of the lungs.

(C) The lymphatic system contains nodes that act as filters to remove bacteria that could otherwise cause disease.

(D) Blood cells pick up and carry oxygen from the lungs to the body’s cells.

(E) The lymphatic system collects and returns fluid that leaks from the blood vessels.

Any help whatsoever is greatly appreciated! This is the only question from my homework that I’ve been stuck on for a while! =)