What happens when the lungs recoil?
a. ribs and diaphragm muscles contract.
b. internal respiration occurs.
c. inspiration occurs.
d. expiration occurs

Which sentence is an example of a strong conclusion to an autobiography? a. i stayed after school three days in a row to practice onstage in the auditorium. b. i knew i would have to practice all week to memorize my dance for the recital. c. after the recital was over, i knew practicing was worth it, and i was looking forward to my next big challenge. d. on opening night, i danced in front of a packed auditorium.

The transport tubes for food coming down the plants are called?

True or false multiple lane changes must be done individually going through the same procedures for each lane change