Summary 8: A blood system

Blood is mixture of liquid cells and we have 3 types of blood vessels and cells are: in cells: red blood cell,white blood cell,platelets,the blood vessels are: capillaries,arteries,veins,we have and organ that pomps blood that is heart and we types of blood: that is A, AB, B and O, The blood travels all the body, a physcian Dr. Charles Richard Drew developed techniques for processing and storing blood plasma for transfusions. His work led to the establisment of the American Red Cross blood bank, Blood is a specialized bodily fluid that delivers necessary substances to the body's cells – such as nutrients and oxygen – and transports waste products away from those same cells. we have functions of the 3 types of blood cell that are: the red blood cell transports nutrients and oxygen, white blood cell can fight diseases, platelets can stop bleeding and cover injuries and bleeding, In the blood vessels functions are in the arteries can carries blood from heart to the body, veins can bring back the blood to the heart and finally the capillaries can connect arteries and veins.