Across The Lab Crossword

I can be empty or I can be filled. I might need the dark or perhaps to be chilled. Sometimes I’m too short or I might have a clot. For better or for worse, you work with me a lot.
On samples, price tags and postage
Beers go here at home, pee goes here in the lab (patient pee that is
Professional, serious, hard-working people are allowed a little wackiness during these celebratory seven days
Sticky, colorful, informative
Because I don’t trust my math skills
bike ___, ___ your brain, sample ____ , ___ of ribs
A Streptococcus PNEUMoniae sample takes a ride through the _____ tube system
Biological materials that carry a significant health risk
Whoop, there it is!
___ phone, prison ____, white____, red____
Know when you work!
Squares good for scraped paws, a broken schnoz or surgically-fixed flaws