Changes

==Vasculature==

==Vasculature==

*The '''Pulmonary Arteries'' follow the bronchi while the pulmonary veins sometimes run separately.  

*The '''Pulmonary Arteries''' follow the bronchi while the '''Pulmonary veins''' sometimes run separately.  

*Bronchial arteries from the Aorta  supply the bronchi, and Bronchial veins may drain this blood to the right atrium via the Azygous Vein.  

*'''Bronchial arteries''' from the Aorta  supply the bronchi, and '''Bronchial veins''' may drain this blood to the right atrium via the '''Azygous Vein'''. More often the blood from the bronchi drains directly to the left atrium.

==Innervation==

==Innervation==