Answer:
Blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. As the atrium contracts, blood flows from your right atrium into your right ventricle through the open tricuspid valve.
Explanation:
Original formula Listerine is 26.9% alcohol, making it approximately 54 proof. According to the US, one "standard" drink contains roughly 14 grams of "pure" alcohol—so one standard drink of Listerine is 2.2 fl. oz. (so there are about 23 standard drinks in one 1.5 L bottle of Listerine).
Hello Pgoodrichstat!
The process that helps gas exchange occur is called diffusion.
Cheers!
-Blizzard
Well when writing a CER first you need to state your claim after stating your claim you need to support your claim with evidence from your sources and after that you need to give reasons on how your evidence supports your claim
