For adult it is 30:2 and for children it is 15:2
Answer:
well im not sure about what "the following" is but looking in teh mirror and listing your good features xx
Explanation:
A phrase to describe a negative feedback loop could be: self-regulating (though I'm not sure the exact word you're looking for).
A difference between the three are that arteries are larger than capillaries and veins. However, veins are larger than capillaries.