The structures of the upper respiratory system
a. include the lungs.
b. are located inside the thorax.
c. allow gases to enter and escape the body.
d. allow for movement of gases in and out of cells.

Choose a topic from the reconstruction era listed below. research your topic. write a 300 word report on your findings! (one topic) 1 the conditions in the south during reconstruction 2 lincoln’s assassination 3 the freedmen’s bureau 4 the impeachment of president johnson