20 me fast! give me as many benefits as you can find for should/triceps stretch and give me the step on how to do it. number the benefits and steps. make it organized so i can know what is the steps and benefits.

Shoulder stretches
- get warmed up
- move your shoulders in all directions
- move shoulders up down side side

Triceps stretches
- sit or stand to keep your back straight 
- Raise your left arm straight overhead, then bend it so your left hand is on the middle of your upper back. Your biceps and forearm should be touching.
- Pull your left elbow gently toward your right side until you feel a stretch in your left triceps. Hold the stretch for 10 seconds and repeat on the other side.

Your answer is  d.)relationship between pressure and air volume and led to the understanding of how respiration works