When I think of you I smile, and when I smile I think of you. I don’t know if it’s the thinking that makes me smile or the smile that keeps me thinking. All I know is I’m always thinking of you and smiling.

If you were running a marathon, which type of muscle fibers would be most useful to you? a. slow-twitch b. fast-twitch, type i a c. intermediate-twitch, type ii b d. slow-intermediate twitch, type i b select the best answer from the choices provided. a b c d