The same time, carbon dioxide that is dissolved in the blood comes out of the capillaries back into the air sacs, ready to be breathed out. Blood with fresh oxygen is carried from your lungs to the left side of your heart, which pumps blood around your body through the arteries.
Answer:
A piloted spacecraft is always manned
The Aromatic hydrocarbon is the most common in nature.
Sleet
Might be wrong lol sorry if it is