She should spend time with highly expressive people.
Topography climate or districts
Explanation:
If humans could fly ,there would be traffic lanes ,Sky poliCE and lots of accidents. People would crash into eachother and drop out of the sky onto the ground . Superheros would have the same abilities as regular humans ,allowing us to defend ourselves better .And also while going somewhere we could cover our distance easily and could reach everywhere fast too.Oyr life would be AWESOME!!!!
Answer:
Nervous System
Explanation:
I'd argue the nervous system because you sense pain through your nerves and when you realize something is poking you bam your nerves recognize it and tell your brain "UH OH CHEIF THERE'S A TACK" and you pull it out.