17/17 Some of the white blood corpuscles escape from the blood-vessels through the thin walls of the capillaries. These corpuscles return to the heart through small vessels called lymph channels or lymphatics. The lymphatics in many parts of the body run into small roundish bodies called lymphatic glands. The object of the lymphatics is to remove from the tissues and return to the general circulation the lymph and white blood corpuscles which escape through the walls of the capillaries.. |