During a muscle contraction, the muscle cell membrane is?

Could someone me? it's about drink looking at the effects and consequences of illegal drinking, what advice would you give an 11-year-old brother or sister? list at least three effects/consequences, and be specific by using examples.

Which is the lipid molecule that controls what types of molecules can pass though?

Which term describes the skills you use to say no in situations when others are pressuring you to do something against your will.