IMMUNE SYSTEM

The immune system helps protect your body against pathogens and diseases or being sick.Its like a army in your body.

IMPORTANT PARTS

• White blood cells
• Lymph nodes
• Lymph vessels
• Skin
• Spleen
• Bone marrow
• Thymus
• Tonsil
• Adenoid

White blood cells are involved in protecting the body against both infectious diseases and foreign invaders.

The skin is the body's main protection from germs because it stops the germs from having a straight way into the body As it covers nearly our whole body.

Lymph nodes and what they do. Lymph vessels route lymph fluid through nodes throughout the body. Lymph nodes are small structures that work as filters for harmful substances. They contain immune cells that can help fight infection by attacking and destroying germs that are carried in through the lymph fluid.

Most people, including many physicians, do not realize that 80 percent of your immune system is located in your digestive track.

HOW TO KEEP YOUR IMMUNE SYSTEM HEALTHY

• Don't smoke
• Eat a diet high in fruits,veggies,whole grains and low in saturated fat.
• Maintain a healthy weight.
• Exercise regularly

FUN FACTS

• The immune system is constantly on guard to keep germs,bugs,and poisons out of the body.
• David better a boy in Texas was born without an immune system,and lived in a plastic bubble.
• The skin is the immune system’s first line of defense. •There are germ-killing chemicals in saliva, tears, ear wax, and mucus. •White blood cells destroy germs that enter through cuts. •Sticky yellow pus is made of bodies of white blood cells that die in the battle against germs. •An allergy is the immune system making a mistake. •Some white blood cells make antibod