Answer:
Less air sacs or surface area = less gas exchage = less oxygen makes it to the blood
Explanation:
Well, smoking is very bad cuz it basically breaks down your alveoli (air sacs) and causes their wall to be so thin that they start to merge with each other. Merging lowers the available surface area in lung for gas exchange, thus you cannot exchage the oxygen from your lung into the blood. Even though when you breathe in you take in all the oxygen you possibly can, it does not matter cuz it won't be making it to your blood as efficiently.
I would say that it would be nodding your head, asking questions, of course, looking at the speaker, stuff like that. Mainly asking questions
Completely eliminating cardiovascular disease in the united states would increase our average life expectancy by Seven Years.
Coronary heart sickness can't be cured but treatment can assist manipulate the symptoms and reduce the possibilities of troubles together with heart assaults. treatment can include: way of life modifications, consisting of normal workout and preventing smoking. drugs.
The general public of folks that die of coronary heart ailment are 65 or older. at the same time as heart assaults can strike human beings of both sexes in antique age, ladies are at more threat of death.
The signs and symptoms of an artery blockage encompass chest ache and tightness, and shortness of breath. believe riding through a tunnel. On Monday, you come upon a pile of rubble. there may be a slim hole, huge enough to pressure through.
Learn more about cardiovascular disease here:- brainly.com/question/27441596
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Answer:
b. ex post facto or quasi-experimental.
Explanation:
An ex post facto search is done when a researcher cannot manipulate one of the variables such as sexual behavior or smoking (as described in the question), ie this type of research is done when it is not possible to manipulate the independent variables as they already arrive ready for research. Ex-post fact research deals with variables that are unmanipulated in nature. Quasi-experimental research can also be done for this same situation.
Dependability, reliability, trust.
