How do the lungs and heart transport oxygen in the cardiorespiratory system?

Warming up prepares the body for exercise in what way? a. muscularly b. cardiovascularly c. neurologically d. all of the above

Scientists believe that differences in cause hot, plastic-like rock in the asthenosphere to rise toward earth's surface. a. density c. weight b. magnetism d. composition select the best answer from the choices provided

How you feel when someone is boastful and self absorbed when providing you a professional service? why?