during diffusion, how do the molecules physically get from one place to the other?(spaceship tractor beam? wiged monkeys?)

1. which of the following is correct regarding opiates/opioids: a. they all have a natural component as a starting pointb. they have low addiction possibilitiesc. methadone binds to some of the same receptorsd. a and care correcte. all are correct

Name the types of burns one can get and which structures of the integument are damaged

To maintain asepsis when administering an injection, all parts of the syringe can be handled except the: