(1) Skeletal muscles are connected to bone and aid involuntary movement. (2) Smooth muscles are found inside organs and help to move substances through organs.
First of all you should never flush needles or any other sharp objects down the toliet. If you are recapping the needles you need to be careful only the unused needles should be recapped FDA says. Don't just throw them away in the trash unless you break the needle part off first so be careful when dealing with needles.
Cover the wound with a bandage, stay away from food and prep areas, cover the hand with a glove and finger cot, and cover the wound with a bandage and a glove or a finger cot.
I have participated in a team sport and activity and not all my teammates were helpful or supportive. Some were very judgmental and always wanted to compete. I haven't done anything that has to do with boxing yet but i'm looking into starting soon.