Different parts of the blood

Do you know what makes our blood? Well there are several parts of your blood and they are called Plasma, White Blood Cells, Red Blood Cells and Platelets. Plasma is what makes your blood into liquid and makes your white blood cell and red blood cells travel around your body too. White blood cells are what makes you better when you get sick which means-- your white blood cells fight your germs, but your white blood cells need energy to fight your germs and that is sleeping. If you go to sleep your white blood cells can fight your germs in your body, if you don't go to sleep you will still be sick because you don't have enough energy and your white blood cells won't have enough energy. So when your sick and you feel tired you need to go to sleep so you can get better. Platelets are what makes your bleeding stop like for example when you scrape your knee on the side walk you will bleed, but for a few minutes your platelets will come and stop the bleeding then your bleeding will stop and then when your bleeding stops the next day you'll have a scab on your knee. Also think if you didn't have enough platelets you will bleed to death if you scraped your knee on the side walk or something else that you can scrape your knee on, which means.  Red Blood Cells are what make your blood red and make your blood have oxygen.