Answer:
The cell membrane and mitochondria work together in order to perform an important biochemical process. The process is called respiration. In respiration, glucose molecule is broken down by mitochondria of the cell to release energy with the addition of oxygen. This oxygen is provided by the cell membrane by the process of diffusion. This respiration process is very important because cell needs energy for performing different activities.
Answer:
Paired lungs
Explanation:
Paired lungs comprise the respiratory system of a bird.
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Using kilometers in space is useless, as the distances between objects is drastically incred. A lightyear is 9.5 kilometers. It is simpler to say "Alpha Centauri is 4.1 light years away" than it is to say "Alpha Centauri is 28.95 Trillion kilometers away"<span />