To make the lungs work and if our lungs didn't work then we couldn't breathe.
no, it doesn't, but oxygen does.
The lungs, I the alviolies.
lungs
Yes, the blood enters the lungs via pulmunery artery
they enter the lungs in order to obtain oxygen and get rid of carbon dioxide. this process occurs in the alveolus of the lungs by diffusion.
The lungs.
Through the pulmonary vein
Actually it is the Left Atrium
It has to get oxygen and get rid of CO2
Oxygen must enter our blood and Carbon Dioxide must leave the blood through our lungs. They do so by diffusion between the cappillaries.
The place is the same for both; the alveoli in the lungs.
to left ventricle from where it goes to lungs for oxygenation.