alveolar air

简明释义

肺泡气

英英释义

例句

1.The concentration of carbon dioxide in alveolar air 肺泡空气 is higher than in the inhaled air.

在肺泡空气中，二氧化碳的浓度高于吸入的空气。

2.Understanding how alveolar air 肺泡空气 interacts with blood is crucial for studying respiratory physiology.

理解肺泡空气与血液的相互作用对于研究呼吸生理是至关重要的。

3.During inhalation, fresh air enters the lungs and mixes with the existing alveolar air 肺泡空气.

在吸气过程中，新鲜空气进入肺部并与现有的肺泡空气混合。

4.The exchange of gases occurs in the lungs where oxygen from the atmosphere is absorbed into the alveolar air 肺泡空气.

气体交换发生在肺部，来自大气中的氧气被吸收到肺泡空气中。

5.Medical professionals often measure the composition of alveolar air 肺泡空气 to assess lung function.

医疗专业人员常常测量肺泡空气的成分以评估肺功能。

作文

The human respiratory system is a complex network that plays a crucial role in maintaining our overall health and well-being. One of the key components of this system is the exchange of gases that occurs in the lungs. At the center of this process is what we refer to as alveolar air, which is the air present in the tiny air sacs known as alveoli. These alveoli are essential for gas exchange, allowing oxygen to enter the bloodstream while carbon dioxide is expelled from the body.When we inhale, the air travels through the trachea and bronchi before reaching the alveoli. The composition of alveolar air is slightly different from the air we breathe in due to this gas exchange process. While the atmosphere consists of approximately 21% oxygen, the alveolar air contains a lower percentage of oxygen and a higher concentration of carbon dioxide. This difference is primarily because oxygen is absorbed into the bloodstream, and carbon dioxide, a waste product of cellular respiration, is released into the alveoli to be exhaled.Understanding the role of alveolar air is vital in various fields, including medicine, physiology, and environmental science. In clinical settings, doctors often assess the gas composition of alveolar air to evaluate a patient's respiratory function. For instance, conditions such as chronic obstructive pulmonary disease (COPD) or asthma can significantly affect the efficiency of gas exchange, leading to an abnormal composition of alveolar air. Monitoring these changes can provide valuable insights into a patient's health and guide treatment decisions.Moreover, the study of alveolar air extends beyond human health. Environmental scientists examine how pollution affects the quality of air in urban areas, which can, in turn, impact the alveolar air quality of the population. Pollutants can lead to increased levels of toxic substances in the air, which may compromise respiratory health, highlighting the importance of clean air initiatives and regulations.In addition to its medical and environmental significance, alveolar air also plays a role in athletic performance. Athletes often train in high-altitude environments to enhance their oxygen-carrying capacity. By acclimatizing to lower levels of oxygen, they can improve their efficiency in utilizing alveolar air during intense physical activities. This adaptation allows them to perform better when competing at sea level, where the oxygen concentration is higher.In conclusion, alveolar air is a fundamental aspect of our respiratory system that facilitates the essential process of gas exchange. Its composition reflects the balance between oxygen intake and carbon dioxide removal, serving as a critical indicator of respiratory health. Whether in a clinical, environmental, or athletic context, understanding alveolar air is essential for promoting better health outcomes and enhancing our knowledge of respiratory physiology. As we continue to explore the intricacies of our respiratory system, the significance of alveolar air will undoubtedly remain a focal point in both research and practical applications.

人类呼吸系统是一个复杂的网络，在维持我们的整体健康和福祉方面发挥着至关重要的作用。这个系统的一个关键组成部分是发生在肺部的气体交换过程。在这个过程中，我们所称之为肺泡空气的物质起着核心作用，它是存在于被称为肺泡的微小气囊中的空气。这些肺泡对于气体交换至关重要，允许氧气进入血液，同时二氧化碳被排出体外。当我们吸气时，空气通过气管和支气管进入肺泡。由于气体交换过程的原因，肺泡空气的成分与我们吸入的空气略有不同。尽管大气中约含有21%的氧气，但肺泡空气中氧气的比例较低，而二氧化碳的浓度较高。这种差异主要是因为氧气被吸收到血液中，而二氧化碳作为细胞呼吸的废物被释放到肺泡中以便呼出。理解肺泡空气的作用在医学、生理学和环境科学等多个领域至关重要。在临床环境中，医生常常评估肺泡空气的气体成分来评估患者的呼吸功能。例如，慢性阻塞性肺病（COPD）或哮喘等疾病会显著影响气体交换的效率，从而导致肺泡空气的成分异常。监测这些变化可以为患者的健康提供宝贵的见解，并指导治疗决策。此外，肺泡空气的研究不仅限于人类健康。环境科学家研究污染如何影响城市地区的空气质量，这反过来又可能影响人群的肺泡空气质量。污染物可能导致空气中有毒物质的浓度增加，从而危害呼吸健康，这突显了清洁空气倡议和法规的重要性。除了医学和环境意义外，肺泡空气在运动表现中也发挥着作用。运动员通常在高海拔环境中训练，以增强他们的氧气携带能力。通过适应较低的氧气水平，他们可以提高在剧烈体育活动中利用肺泡空气的效率。这种适应使他们在海平面竞争时表现更好，因为那里的氧气浓度更高。总之，肺泡空气是我们呼吸系统的一个基本方面，促进了气体交换这一基本过程。它的成分反映了氧气摄入和二氧化碳排除之间的平衡，作为呼吸健康的关键指标。无论是在临床、环境还是运动背景下，理解肺泡空气对于促进更好的健康结果和增强我们对呼吸生理学的认识至关重要。随着我们继续探索呼吸系统的复杂性，肺泡空气的重要性无疑将继续成为研究和实际应用的重点。