Its a 50 50 chance its Hayflick limit u should read your lesson it will for sure have it somewhere :/
All are possible physical changes
A. Depressants because its used to treat depression and other pschylogical problems.
Internal, Muscular, Circulatory, Circulatory, Skeletal, Internal, Muscular, Skeletal, Muscular. I think this is right, and I hope it helps!