Across
- 4. A damaging response by the body to a substance to which it is hypersensitive
- 5. The process of providing or obtaining the food necessary for health and growth
- 7. The chemical processes that occur within an organism to mantain life
- 9. Relating to the heart and blood vessels
Down
- 1. The process of causing something to absorb water
- 2. Skin descoloration from leaking blood vessels under your skin
- 3. Spread from one organism to another
- 4. A feeling of fear, dread or uneasiness
- 6. The state of being resistant to a disease
- 8. Chemicals that acts like messenger molecules in the body