click below
click below
Normal Size Small Size show me how
science/heart
vocabulary on heart
term | definition |
---|---|
red blood cells | carry o2 and co2. pick up o2 in lung-goes to body.takes co2 back to lungs where we breath it out.5,000,000 red blood cells in ONE drop of blood |
white blood cells | fight off germs/infection. |
platelets | form good clots. (to stop bleeding) |
plasma | liquid in blood (app.1/2 of blood is plasma) made in liver |
arteries | carry o2 AWAY from heart |
capillaries | tiny blood vessels (thinner than hair) connect arteries/veins |
veins | take blood back to heart |