Whuch of the following systems interact to facillate running laps around a track

The model illustrates a process by which a substance is taken up by a cell

How does the author's purpose in this passage differ from an author writing about her personal struggle living with asthma?

Lola needs to sign 6 invitations. using stopwatch that measures time to tenths of a second, it takes lola 5.3 seconds to sign her full name. going by the accuracy of the stopwatch, which is the most accurate determination for the number of minutes lola needs to sign all 96 invitations