Where does blood get oxygen from?

Janelle wants to keep track of the mileage she completes and the courses she runs, and locate new courses while training for a 10k race. which technology would be most to her? elliptical machine exercise video game gps-enabled device treadmill

Which of the following requires the action of a first class lever in the body

Why do you think more people don’t commit crime? what stops most of us from engaging in criminal behavior