So it's passed 3 days (haven't been working out) but the pain still is the same amount. i don't see any external damage should i rest a few more days?

Yes I think you should rest you probably pulled a muscle while working out.

Answer(d) they all send signals from the brain to the body through long axons in the vertebral column;

It doesn't state that he washed his hands before or after preparing this poultry. even though he had it in seperate bags the bacteria from the poultry could have entered the vegtables because of a lack of handwashing. so cross-contamination is a very possible answer.