Functions of the Blood

Topic Content:

Blood transports the following substances; gases namely oxygen and carbon dioxide, digested food substances (nutrients), and waste products.

The blood performs three main functions;

(i) Protection:

The blood protects the body in the following ways;

(a) White blood cells or leucocytes destroy invading microorganismsMicrobes are organisms that are too small to be seen without using a microscope. They include organisms like bacteria, archaea, and single-cell eukaryotes (organisms whose cells have a nucleus e.g. amoeba... More.

(b) Proteins and antibodies destroy pathogenic substances.

(c) Platelets initiate the clotting of blood.

(ii) Regulation: