| A | B |
|---|
| the transfer of blood from one person to another person | blood transfusion |
| the throbbing caused by blood rushing into the arteries when the lower chambers of the heart contract | pulse |
| a person who gives blood for a blood transfusion | donor |
| blood vessels that carry blood away from the heart | arteries |
| a person who receives blood in a blood transfusion | recipient |
| tiny blood vessels that connect the smallest arteries with the smallest veins | capillaries |
| blood vessels that carry blood from the capillaries to the heart | veins |
| blood cells that fight germs and break down dead cells | white blood cells |
| the pale yellow liquid part of blood composed of water, nutrients, wastes, and salts that contains the blood cells | plasma |
| a tissue made up of a liquid called plasma and several types of cells | blood |
| most numerous type of blood cell that gives blood its red color; carries oxygen to the cells and carbon dioxide back to the lungs | red blood cells |
| the transport system of the body that carries oxygen and nutrients to all cells and then removes wastes | circulatory system |
| the lower chambers of the heart | ventricles |
| the upper chambers of the heart | atriums (atria) |
| the pump that pushes blood throughout the entire circulatory system | heart |
| tiniest blood cells that help the blood clot, or thicken, and help form scabs | platelets |
