What is blood? Describe the various components of blood.
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Solution
Blood is the fluid which
flows in blood vessels. It transports
substances like digested food from the
small intestine to the other parts of the
body. It carries oxygen from the lungs
to the cells of the body. It also transports
waste for removal from the body.
It has four main components: plasma, red blood cells, white blood cells, and platelets.