What is breathing?—"Letting the air into and out of my lungs, through my nose, mouth, and windpipe."
When do you breathe?—"All the time."
What do you breathe?—"Air."
What do you breaths through?—"My nose, mouth, and windpipe."
Where do you get the air?—"Everywhere."
Where do the lungs send the pure blood?—"To the heart."
Where does the heart send the pure blood?—"All through the body."
How does the heart send the pure blood through the body?—"Through pipes called arteries."
What kind of blood passes through the arteries?—"Pure blood."