Musical Biology?

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Across
  1. 4. (phenomenon related to this) is used a lot in labs for labelling molecules (Imagine Dragons song)
  2. 7. You get this if you have septicemia (Taylor Swift song)
  3. 8. he/she wants a dental anaesthetic (Green Day song)
  4. 9. first line of immune defence (Sabrina Carpenter song)
Down
  1. 1. L. angustifolia, a weather condition (Taylor Swift song)
  2. 2. You get this when you get a fever (Ed Sheeran song)
  3. 3. required to close deep wounds (Shawn Mendes song)
  4. 5. A deadly disease that was found to be sent through a letters in a terrorist attack (also a band)
  5. 6. source code, but for living systems (Kendrick Lamar song)
  6. 7. You'll be a blob of fat and muscle without these (another Imagine Dragons song)