What is the use of blood?

Answer 1

Blood is a fluid in mammals that serves many purposes in the body. The blood is composed of red blood, white blood cells, body platelets and plasma. The Blood has many functions, such as transport of oxygen through the iron pigment present in the red blood cell called haemoglobin. Another is the body defence which is the responsibility of the white blood cells(leucocytes). The white blood cell is divided into two namely; phagocytes and lymphocytes. They help the body in combatting the foreign bodies appearing in the body. Another function is the blood clotting i.e. the solidification of blood wherever and whenever there is an injury. This function is the work of blood platelets. Another essential function is the transport of nutrients, gases, hormones from where they are produced to where they are needed. The functions of blood is not limited to these functions alone, there are still many more. I rest my case.