Nitrogen is found in the Raindrops bring nitrogen to the ground. Nitrogen-fixing bacteria add to nitrogen and form ammonium. Nitrifying bacteria then add to the ammonium to form nitrites. They add more oxygen to the nitrites to form Plants can use nitrates. Eat plants, they can use the in the nitrates

High blood pressure occurs when there is too much blood flowing through the blood vessels at one time. by changing the amount of water in the blood, blood pressure can change. the excretory system can to lower blood pressure.which would most likely occur in the kidney? a)more water would be transferred from the nephron.b)less water would be absorbed into the nephron.c)the amount of water in the bladder would decrease.d)the amount of water in the blood would increase.