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Health Day 1 DISEASE
Lesson 1
| Term | Definition |
|---|---|
| Disease | is a condition that affects the proper functioning of the body or mind |
| Communicable | diseases that can be spread |
| Noncommunicable | diseases that do not spread |
| Pathogen | a microscopic organism that causes communicable diseases |
| Viruses | tiny, nonliving particles that invade and take over healthy cells |
| Bacteria | extremely small, single-celled organisms with no cell nucleus |
| Protozoa | single-celled organisms that have a nucleus |
| Fungi | primitave single- or many-celled organisms that cannot make their own food |