Blood goes to the lungs oxygen poor and comes out of the lungs oxygen rich.
lungs
the blood goes to the pulmonary artery and then goes into the lungs.
oxygenated blood
Lungs contain lots of blood. Blood goes to the lungs to pick up oxygen.
so they can purified the air the goes into the heart
oxygen.
Blood from all parts of the body except the lungs goes to the vena cava. Blood vessels that carry blood towards the heart are veins.
Your blood must pass through your lungs, before it goes to the rest of the body.
it goes to the lungs
500 Billion years
you breath it in and the air goes into your lungs and helps pump the blood around
Blood becomes oxygenated in the lungs, then the oxygenated blood goes to the heart via the pulmonary veins and enters the left atrium