So you won’t get a patient killed
<span>It is a vacuum effect. The lungs have gotten used to their size and shape, and they are comfortable this way. When a person forcibly exhales, it constricts the lungs. When a person relaxes, the lungs return to their normal shape as they took in air. The only ventilation is the trachea, and it forces air in.</span>
(the answer is b)it coulve been a but it say "only" and stress has a lot of effects on the body and c and d are answers to trick you but you have to pay attention to what it actually states
Its C .when choosing a fitness program specifity is number one without this you won't complete your goal and the right exercises you're capable of doing this is related to making the the workout more enjoyable once you find out what you wanna do you will!l love what you do. can I get a brainliest please 8)