Which of these are tissues that are part of the skin

I’m not sure what your question is but this man is clearly choking. you would need to preform the heimlich maneuver to clear the mans airway. if all fails, call medical right away. i hope this ! : -)

Musculoskeletal or gastrointestinal

Depression is lifelong, though you can get medication to with it. the difference between sadness and depression is that sadness lasts a little bit, depression last a long time and it goes on and off. people usually get depression through experiences they have been through, or genetics.