The pulmonary artery and its branches deliver blood rich in carbon dioxide (and lacking in oxygen) to the capillaries that surround the air sacs. The circulation of the blood through the lungs. The veins that return the oxygenated blood from the lungs to the left atrium of the heart.
Answer:
The answer for Plato is strength and Endurance.
They can talk about what they like to do
Gases can be produced by normal flora (bacteria that normally lives in the intestines) and harmful bacteria as well.
