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Mitochondria
cell respiration
No, carbon dioxide is produced through cellular respiration. If cells could just break down carbon dioxide the production of ATP would not work.
Glucose
Because it is a waste product of the respiratory system. We inhale air. Our longs filter out the needed oxygen which is sent to the tissues of our body. In the process, the lungs get rid of waste by exhaling carbon dioxide. Every cell in your body needs energy to live. They get their energy by reacting sugar (from food) with oxygen (which we breath in). This reaction, called respiration, releases energy and the waste products water and carbon dioxide. We get rid of the water as urine and the carbon dioxide is removed from our bodies through our lungs. We breath it out to get rid of it.
CO2 comes as a product of cell metabolism and its presence in the blood acts as the stimulus to breath.
Back EMF stops metabolism. Hmm, that's why it has to get rid of the carbon ion, but CO2 is a waste product, so if you can't dump the CO2, metabolism stops, too.
The carbon dioxide produced during respiration comes from the metabolism of sugar. Because sugar such as glucose has 6 carbon atoms - metabolism produces 6 Carbon dioxide molecules. (Note while I can get the subscript to work, I cannot get it to reverse so the chemical formula for sugar is incorrectly written as C6H12O6. The H and O should not be subscripted.)
The carbon dioxide will move in because if the amount of carbon dioxide fluid is greater outside the cell then the carbon dioxide will diffuse in so that the amount of carbon dioxide inside and outside of the cell will be an equillibrium
carbon dioxide
Carbon dioxide is absorbed by the palisade cell. The palisade cell is a plant cell and without them the plant would die. Plants need carbon dioxide so they can produce food. Through photosynthesis (when a plant uses light to convert carbon dioxide into food).
No, carbon dioxide and waste are transported by the blood AWAY from each cell.
diffusion
Mitochondria
Water, carbon dioxide and oxygen can enter a cell through the plasma membrane.
Pland cell
Carbon dioxide leaves a cell during cellular respiration because it is a waste to the human body and other mammals. If carbon dioxide remains in the blood for too long, the individual will pass out. When carbon dioxide leaves the cell, it leaves our body when we exhale.