air passage

简明释义

呼吸道

英英释义

例句

1.She practiced deep breathing exercises to relax her air passage before the performance.

她在表演前练习深呼吸，以放松她的气道。

2.The doctor explained that the inflammation was causing a blockage in the air passage.

医生解释说，炎症导致了气道的阻塞。

3.During the flight, I felt discomfort in my air passage due to the altitude changes.

在飞行过程中，由于高度变化，我感到我的气道不适。

4.Allergies can lead to swelling in the air passage, making it hard to breathe.

过敏可能导致气道肿胀，使呼吸困难。

5.He used a humidifier to keep the air passage moist during the winter.

他在冬天使用加湿器来保持气道湿润。

作文

In the realm of human anatomy, understanding the structure and function of the respiratory system is crucial for appreciating how we breathe and maintain our health. One of the key components of this system is the air passage, which refers to the various pathways that air travels through as it enters our body and reaches the lungs. The air passage begins at the nose or mouth, where air is inhaled and filtered before moving down the trachea. The trachea then divides into two main bronchi, leading to each lung. These bronchi further branch into smaller bronchioles, eventually culminating in tiny air sacs called alveoli, where the exchange of oxygen and carbon dioxide occurs.The significance of the air passage extends beyond mere airflow; it plays a vital role in protecting our respiratory system from harmful particles and pathogens. The lining of the nasal cavity is equipped with cilia and mucus that trap dust, allergens, and microbes, preventing them from entering the lungs. This filtration process is essential for maintaining respiratory health and preventing infections.Moreover, the air passage is also involved in regulating the temperature and humidity of the air we breathe. As air passes through the nasal passages, it is warmed and moistened, which helps to protect the delicate tissues of the lungs. This adaptation is particularly important in extreme weather conditions, where cold or dry air could cause irritation or damage to the respiratory tract.In addition to its physiological functions, the air passage can also be affected by various environmental factors. For instance, exposure to pollutants, smoke, and allergens can lead to inflammation and narrowing of the airways, resulting in conditions such as asthma or chronic obstructive pulmonary disease (COPD). Understanding the impact of these factors on the air passage underscores the importance of maintaining clean air and a healthy environment.Furthermore, advancements in medical science have led to various treatments aimed at improving the function of the air passage. For individuals suffering from respiratory diseases, inhalers and nebulizers deliver medication directly to the lungs, helping to open up constricted airways and facilitate easier breathing. Additionally, surgical interventions may be required in severe cases to remove blockages or repair damaged structures within the air passage.In conclusion, the air passage is an integral part of our respiratory system, serving multiple functions that are essential for our health and well-being. From filtering and warming the air we breathe to facilitating gas exchange in the lungs, the air passage plays a pivotal role in sustaining life. As we continue to learn more about the respiratory system, it becomes increasingly clear that protecting and maintaining the integrity of the air passage is vital for ensuring good health. By being aware of the factors that can affect our airways and taking proactive measures to safeguard our respiratory health, we can promote better breathing and overall wellness for ourselves and future generations.

在人体解剖学领域，理解呼吸系统的结构和功能对于欣赏我们如何呼吸和维持健康至关重要。这个系统的一个关键组成部分是气道，它指的是空气进入我们身体并到达肺部时所经过的各种通道。气道从鼻子或嘴巴开始，空气在此被吸入并过滤，然后沿着气管向下移动。气管随后分为两个主支气管，分别通往每个肺。这些支气管进一步分支成更小的细支气管，最终汇聚到称为肺泡的小气囊中，在那里进行氧气和二氧化碳的交换。气道的重要性不仅仅在于空气流动；它在保护我们的呼吸系统免受有害颗粒和病原体方面发挥着至关重要的作用。鼻腔的内衬配备有纤毛和粘液，可以捕获灰尘、过敏原和微生物，防止它们进入肺部。这一过滤过程对于维持呼吸健康和预防感染至关重要。此外，气道还参与调节我们呼吸空气的温度和湿度。当空气通过鼻腔时，它会被加热和湿润，这有助于保护肺部的脆弱组织。这种适应性在极端天气条件下尤为重要，因为寒冷或干燥的空气可能会导致呼吸道的刺激或损伤。除了生理功能外，气道还会受到各种环境因素的影响。例如，接触污染物、烟雾和过敏原可能导致气道的炎症和狭窄，从而导致哮喘或慢性阻塞性肺病（COPD）等疾病。了解这些因素对气道的影响突显了保持空气清洁和健康环境的重要性。此外，医学科学的进步使得各种治疗方法得以改善气道的功能。对于患有呼吸疾病的个人，吸入器和雾化器可以将药物直接送到肺部，帮助打开收缩的气道，促进更轻松的呼吸。此外，在严重情况下，可能需要手术干预以去除阻塞物或修复气道内受损的结构。总之，气道是我们呼吸系统不可或缺的一部分，承担着多种对我们健康和福祉至关重要的功能。从过滤和加热我们呼吸的空气到促进肺部的气体交换，气道在维持生命方面发挥着关键作用。随着我们继续了解呼吸系统，越来越明显的是，保护和维护气道的完整性对于确保良好的健康至关重要。通过意识到可能影响我们气道的因素，并采取积极措施来保护我们的呼吸健康，我们可以促进自己和未来几代人的更好呼吸和整体健康。