Why does the right lung have three lobes?

Answer

The right lung will have three lobes and the left lung will only have two. This is because room must be made for the heart to rest in the area of the chest where the lungs meet.
Reference:
Q&A Related to "Why does the right lung have three lobes?"
The heart is located on the left, therefore the lungs have adapted
http://www.chacha.com/question/why-does-the-left-l...
left side has heart, right doesn't.
http://wiki.answers.com/Q/Why_does_the_left_lung_h...
Three.upper, middle and lower (difficult, uh? And the left has only two (guess the names! Each lobe is divided into segments.
http://answers.yahoo.com/question/index?qid=200810...
1 Additional Answer
The right lung has is larger than the left and has three lobes, while the left only has two. There right lung is bigger because the heart is located on the left on takes up more room so the left lung has to accommodate.
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