Kidney. The kidney plays the role of keeping blood pressure in check by altering the blood volume.
It was exposed to oxygen. This is called oxidation and it's a chemical reaction, meaning it can't be reversed.
<em>A circadian rhythm /sɜːrˈkeɪdiən/ is any biological process that displays an endogenous, entrainable oscillation of about 24 hours. These 24-hour rhythms are driven by a circadian clock, and they have been widely observed in plants, animals, fungi, and cyanobacteria.</em>
the correct answer is a)I only
Answer:
This answer is confusing, but the closest is 60%
Explanation:
I am pretty sure 80% of topical rain forests have been destroyed but since the question says "our" I don't know where that is located
