Is the ability of the heart, blood vessels, blood, and respiratory system to supply oxygen to the muscles during sustained exercise.

tu caminas en las clase de educacion fisica.

its translates: do you walk in in your physical education class?

b. the poet identifies with private people.

    in the stanza, dickinson states she doesn't wish to seek fame and recognition from the public eye. nor is she afraid of authority figures, and you can definitely tell she isn't hiding something. more as she identifies with private people, who are not known by the community