What causes the wheezing on expiration in asthma? In asthma, the wheezing isdue to narrowing of the lower airways, whereas, with malignancies, the obstruction is usually in the upper, more proximal airways. In rare cases, wheezing may be heard both during inspiration and expiration. ...
Explain the air pressure differences in and out of the lungs during inspiration and expiration. What is the effect of exercise on breathing and how long does it take to recover? Why does breathing remain elevated after exercise, when the muscle is no longer contr...
Why is blood pressure lower during diastole than during systole? How does an increased carbon dioxide concentration in the blood affect expiration and inspiration? What is an oxygen deficit? What happens to total oxygen delivery to tissues if there is a decrease in dead space ventilation?
PinAll-purpose and bread flour last longer, but they still have an expiration date, which might be shorter than you think. Using old flour can ruin your chances of baking a light, fluffy loaf, so check the date before you start.3. Were there too many add-ins?
Fresher ingredients.Believe it or not, mustard can go bad. Unopened in a pantry will definitely last longer, yet opened and half-used in a fridge is just a timer ticking (toss anything that has expired). Monitoring expiration dates helps build kitchen confidence. ...
—I talked to him for a while about genetic reprogramming.He doesn’t buy the efficacy of typical anti-aging technology efforts, because he believes humans have general expiration dates, and no one fix can help that. He explained: “The whole system is collapsing. You don’t see someone wh...
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One of the machine-learning tricks the researchers used to detect that “noise” is a focus on longer-term trends in the phone’s power use rather than those than last just a few seconds or minutes. “A sufficiently long power measurement (several minutes) enables the learning algorithm to ...
Why does air move out of the lungs during inspiration? Why is carbon monoxide inhalation dangerous? Why would chemoreceptors stimulate an increase in breathing rate? Why does air move out of the lungs during expiration? Why are the pleurae not damaged during normal breathing? Why would it be ...
they can’t be handed around like leaflets or takeaway menus from your local pizza place. That’s why you should not only offer them less frequently but also remind your users when the code’s expiration date gets near. Let them know their chance of using it is getting slimmer, and if ...