Across
- 4. the ability to resist the pathogens that cause a disease
- 6. helps the body fight pathogens and maintain its fluid balance?
- 7. the preparation of dead or weakened pathogens that go into the body to cause immune responses
- 8. substances send the immune system into action
Down
- 1. the combination of body defenses made up of cells, tissues, and organs that fight pathogens
- 2. the body releases in response to antigens
- 3. the body’s response to injury or disease, resulting in a condition of swelling, pain, and redness
- 5. special white blood cells that are called B and T cells?