The Heart
“Blood is made up of red cells, white cells, and platelets, all floating in the clear pale gold liquid called plasma that makes up a little more than half of our blood. Plasma is mostly water.”
She copied this out from a book on the heart that she checked out from the library on her last class trip there. The drawings are, from left to right, a platelet, a red blood cell, and a white blood cell.
The Thing With The Stuff 