A small amount of nitrogen is fixed by lightning, but most of the nitrogen harvested from the atmosphere is removed by nitrogen-fixing bacteria and cyanobacteria (formerly called blue-green algae). The nitrogen cycle transforms diatomic nitrogen gas into ammonium, nitrate, and nitrite compounds.
One important organelle that helps maintain homeostasis by moving supplies from one part of the cell to the other is the (a) endoplasmic reticulum.
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it shows the moderate to high intensity aerobic exercise may help to boost your thyroid hormone levels.it may help to speed your metabolism .
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No oxygen to be transported to that specific part of the brain causing for that specific part of the brain to not function properly because red blood cells carry oxygen for the brain (which is an organ that needs oxygen) to do its job