The oxygen that goes through alveoli and diffuses into blood capillaries. The oxygenated blood goes though aorta and is pumped by the heart and goes out through the vena cava to be distributed to the whole body. the deoxygenated blood comes back to the heart from the body and is pumped back towards the lungs. the carbon dioxide diffuses out of the blood capillaries and goes out of the body.
Ä Quick Google search shall answer your question. I honestly forgot so yea
In plant cells we can see cell wall and also plant cell organelles are membrane bounded beacuse they are eukaryotics .
so answer is plants.
The heat is generated using non-renewable resources such as coal, natural gas, or/ and oil. This is the cause because the natural process of heat comes through these given variety of generators ways.
I don't know the answer to that sorry