Immunology Overview: How does our immune system protect us?

immune system  If you're often sick, feel fatigued or have other nagging symptoms you can't figure out, you may have a weakened immune system  The immune system is made up of cells and organs that protect your body from outside invaders such as bacteria, viruses, fungi, and parasites (

The immune system protects organisms from infection with layered defenses of increasing specificity Physical barriers prevent pathogens, such The immune system is made up of cells and organs that protect your body from outside invaders such as bacteria, viruses, fungi, and parasites (

Your immune system is made up of cells, tissues, and organs that fight infections and diseases Learn how it works, and about diseases of 6 Ways to Boost Your Immune System · 1 Stay up-to-date on recommended vaccines · 2 Maintain a healthy diet · 3 Exercise regularly · 4