Which statement is true? The fissures are muscles that surround the lungs and facilitate breathing
The bronchioles move oxygen into the bloodstream
The pleural cavity keeps the lungs attached to the ribcage
The lobules maximize the number of places where oxygen exchange can occur.

Aboy jumps into a cold swimming pool and his body tempature goes down hus muscles ,blood vessels

Which part of the cell is affected by the movement of molecules through diffusion, osmosis and active transport?

The greenhouse effect a. something that has occurred for millions of years b. an unnatural phenomenon caused by humans that maintains earths temperature range. c. the results of the differences in the angle of the suns rays d. an unnatural phenomenon that causes heat energy to be radiated back into the atmosphere