Red blood cells (RBCs) are the most abundant cells of the blood and are necessary for the delivery of oxygen to the tissues, blood is considered a specialized type of connective tissue. The plasma...
There are two systems of immunity in man, which are Natural (Non-specific or innate) immunity, Acquired ( Specific or adaptive ) immunity, Although the two systems of immunity are different, they work together in cooperation...
Some organs of the immune system are called lymphoid organs because they are home to lymphocytes which are the main components of the lymphatic system, The parts of the immune system are scattered throughout...
