Across
- 2. - a disorder when the immune system attacks the healthy organs and tissues
- 4. - ability to resist or overcome an injury by antigenic substances or pathogens
- 7. - one of the best ways to stay free of infection and help keep your immune system healthy.
- 8. - body's first line of defense against pathogens
Down
- 1. - glands that work like filters to remove germs; found in your neck, armpit, etc.
- 3. - It is delivered through the circulatory system in order for the body to maintain homeostasis.
- 5. - Helps our body form clots to stop any bleeding
- 6. - a substance that causes your immune system to produce antibodies against it