MICROANATOMY

Detailed explanation-1: -They create antibodies to fight against bacteria, viruses, and other potentially harmful invaders.

Detailed explanation-2: -Some directly fight intruders. They are attracted towards the infective agents, then surround and engulf them. Once inside the cell, these white cells then release chemicals that break the organism down and destroy it. Other white cells, called lymphocytes, target attacks in another way, by making antibodies.

Detailed explanation-3: -Spleen: Your spleen stores white blood cells that defend your body from foreign invaders. It also filters your blood, destroying old and damaged red blood cells.

Detailed explanation-4: -White blood cells (leukocytes) help protect your body from infection. Normally, when germs get inside your body, your body makes more white blood cells that search for and destroy the germs. Less often, there are medical problems where the body may make a lot more white blood cells than it needs.

Detailed explanation-5: -One of the most important players in our immune systems is the white blood cell, also called a leukocyte. Leukocytes patrol the blood and tissues throughout the body in search of intruders. When they detect a foreign substance, they send out signals and launch an immune attack.