How does a animal cell that is situated near the lung gets its food , if the blood gets it to the lung then how does it get it to the lung because if blood comes to our lung we have either a nose bleed or puke the blood out.

Question

anonymous · Answer

The blood does reach the lung from the pulmonary arteries and leaves it by pulmonary veins. This circuit is necessary for gaz exchange.

anonymous · Answer

we don't have an open circulatory system where the blood just pours all over our organs