The overall function of the respitory system is to deliver what

The respiratory system's main function is to deliver oxygen to the blood, and take out the carbon dioxide. This happens in a process called Pulmonary Ventilation (breathing), as we breathe oxygen in, it is absorbed in the blood, and then the blood releases carbon dioxide into the lungs, which we breath out. Hope that helps!

the answer is c most of the fortnite players usually buy v bucks to get the battle pass and other cosmetics but some players who are referred to as "no skins" don't   buy skins and are usually noobs.

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fossil's are like over rated rocks like low key not gonna lie i don't get why we can't just call them old rocks like for real i mean i call my grandpa and grandma that smh