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Biology 15 Online
OpenStudy (anonymous):

I'm a bit confused and tired,help? http://prntscr.com/3s1k7s

OpenStudy (anonymous):

@Abhisar

OpenStudy (abhisar):

what do u think ?

OpenStudy (anonymous):

my brain is about dead right now @.@ but I'm guessing C??

OpenStudy (abhisar):

I will go for A

OpenStudy (anonymous):

what about air? doesn't lung receive air?

OpenStudy (abhisar):

respiration is defined as the transport of oxygen from the outside air to the cells within tissues, and the transport of carbon dioxide in the opposite direction.

OpenStudy (anonymous):

OH!! *faceslam*

OpenStudy (abhisar):

http://prntscr.com/3s1le7

OpenStudy (anonymous):

LOL XD that's excatly how I feel right now

OpenStudy (abhisar):

next one :D

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