The correct answer is A.<span>filtering wastes from the blood.
The kidney has many important functions in the body. Most of them have to do with bodily fluids and waste. It filters about 123 to 150 quarts of blood per day and produces 1 to 2 quarts of urine per day.
B. is incorrect because does not defend or fight other organisms.
C. is incorrect because the kidney does not digest anything whatsoever.
D. is incorrect because the kidney does not transport any nutrients anywhere.</span>
Sometimes nightmares happen because of what happened on the day before you went to sleep, you might’ve been stressed, you watched a horror movie, or you might have been really scared of something, nightmares also happen because you thought about a lot of creepy things or things that would frighten you before you fell asleep.
Streching will reduce the risk of injury
I believe the answer is false.