In air(吸气), it pulls down the air into your lungs. When you breathe out(呼气), it lets the air pass through your mouth and nose. Your diaphragm works hard day and night. If you eat too quickly or drink too many soft drinks, your diaphragm may go into spasm(痉挛). The spasm ...
First, as one of the most pervasive and harmful pollutants, which can pass through the lungs into the bloodstream and affect other organs, PM2.5 is responsible for the vast majority of air pollution-related deaths, and its impacts are on the rise. It is estimated that 4.5 million people ...
The entrance of air into the venous circulation can start a process in which small volumes may coalesce in the right side of the heart owing to surface tension, break up because of the pumping action of the heart, and then vent through the lungs out of the body. When the entrained ...
1. "Air" is a noun referring to the mixture of gases that surrounds us, commonly known as "air."2. "Breathe" is a verb that means to take in air through the mouth and nose into the lungs, a necessary process for survival.3. The phrase "breathe air" correctly describes ...
In mammals, inspiratory and expiratory air flow must follow the same path through the lungs, but in opposite direction. In the distal airways (respiratory ducts) theflow velocitysinks to very low values due to an enormous enlargement of the total cross-sectional area of the airways. ...
We will have access to clean air only when humans learn to share life, both with each other and with plants(植物世界默默地敦促我们,是时候关心我们的呼吸,强调人类和植物世界之间存在的相互依存关系。只有当人类学会与他人以及与植物共享生命时,我们才能获得清洁的空气)”以及“We must come to see the ...
【题目】Air pollution costs th e worl d approrimately$ 5 trillion a year according to th e Worl d Ban k . Such pollution can b e seen , felt, smelle d , an d eren tast e d . It hurts th e eyes , bla ckens th e lungs , an d shortens th e breath . Y et air ...
Answer to: What are the pathways of air through the respiratory tree descending into the lungs? By signing up, you'll get thousands of step-by-step...
The study also found that eastern China is reflecting less sunlight than expected, likely due to successful efforts to reduce air pollution. This finding is significant because while reducing air pollution improves public health, cleaner air also allows more sunlight to pass through the atmosphere and...
PM10 particles with larger size (∼10 μm) are able to reach the proximal airways and be mostly eliminated by mucociliary clearance. PM2.5, as a notable risk factor for health, can invade more deeply into the lungs.10, 16, 17 The ultrafine particles are capable of translocation through ...