Read the following passage and make notes by drawing and filling the boxes given below:
Blood is the essential red fluid that is pumped by the heart through the circulatory system. It is complex in its composition and functions. Blood has two main constituents – the cells, comprising about 45% and the plasma comprising about 55%. The blood cells comprise three main types – red blood cells, white blood cells and platelets. Each type of cell has its own function in the body. The plasma is a complex colorless solution and it contains 90% of water. It also has fibrinogen, the protein that aids in clotting.
