Across
- 5. something you need when you see something
- 7. something that's visable through heat signatures
- 9. take air into the lungs and then expel it, especially as a regular physiological process
- 10. a supposition or a system of ideas intended to explain something
- 11. having an even and regular surface; free from perceptible projections, lumps, or indentations
Down
- 1. in every part of a place or object
- 2. feelings of pity and sorrow for someone else's misfortune
- 3. a place of books and knowledge
- 4. a substance that induces insensitivity to pain
- 6. a way of doing something
- 8. a strong, regular repeated pattern of movement or sound