When you inhale your lungs expand your lungs deflate air travels up the trachea the alveoli absorb carbon dioxide?

Which symptoms is a short term effect of tobacco use

Which of the following is a major cause of injury

Aproper cool-down routine includes which of the following? a). eating a good-sized meal b. five to 10 minutes of slow walking or jogging and stretching c). less than 5 minutes of cool-down stretches d). sprinting or other strenuous exercise