If an alveolus with an initial volume of 3 ml of air with a total pressure of 760 mmhg decreases in volume to 2 ml, what would the new pressure be and in which direction would air flow? assume you are at sea level. a. 459 mmhg; air flow into the alveolus from the environment b. 760 mmhg; no net movement of air c. 1429 mmhg; air flow into the alveolus from the environment d. 459 mmhg; air flow out of the alveolus to the environment e. 1429 mmhg; air flow out of the alveolus to the environment