Answer: The main components of blood are RBC, WBC, platelets, plasma.
Explanation: Red Blood Cells(RBC)- It contains hemoglobin . Its main function is to transport oxygen from lungs to all tissues of the body and carry out carbon di oxide .
White Blood Cells(WBC)- It mainly helps to fight germs that enter our body and build our immune strong.
Platelets- The main component of the blood . It is responsible for blood clotting. It heals injury and prevent the flow of blood from wounds.
Plasma- It is a fluid component of blood . It is mostly made of water. It carries all the components of blood and provides nutrients .