Across
- 5. Protein matrix found outside cells
- 6. Element making up ~79% of the air that we breathe
- 8. Small section of DNA
- 9. Undifferentiated cell
- 11. Bone in upper arm (between biceps and triceps)
- 12. Tiny extremely resilient creature; also known as water bear
Down
- 1. Part of the brain responsible for processing emotions (e.g. fear)
- 2. Tree used as the precursor for aspirin; often found near lakes
- 3. Positively charged particle found in the nucleus of atoms
- 4. Closest planet to our sun
- 7. Central part of cell containing DNA
- 10. Insulating layer around some nerve axons; ______ sheath