Planaria can reproduce asexually through regeneration.

Crustaceans possess crusty exoskeleton (made of calcium carbonate/chitin).

Chelicerates live

Crayfish have gills and breathe Oxygen. 

vertebrates means no backbone

Rods, commas, and spherical are shapes that describe:

Neuromuscular blockers are used to treat bradycardia.

Eukaryotic cells have membrane bound organelles such as a nucleus. 

This medication may be given to reverse the effects of antianxiety medication.

Working with a patient who has the flu would require what type of transmission based precaution?