When people exercise for long periods of time, their muscles require increased amounts of oxygen. Which system is responsible for carrying this oxygen to the muscles?.

eggs are a high protein food! dan is most likely to include them in his diet. according to my sources, "whole eggs are among the healthiest and most nutritious foods on the planet. they are loaded with vitamins, minerals, healthy fats, eye-protecting antioxidants and brain nutrients that most people don't get enough of. whole eggs are high in protein, but egg whites are almost pure protein."

why? are we saying it out loud

answer: i am the bored too

explanation: i'm in a dumb class