bohr effect

简明释义

玻尔效应

英英释义

例句

1.During exercise, the bohr effect 波尔效应 enhances oxygen delivery to muscles.

在运动过程中，波尔效应增强了氧气向肌肉的输送。

2.Increased carbon dioxide levels can enhance the bohr effect 波尔效应, promoting oxygen release.

二氧化碳水平的增加可以增强波尔效应，促进氧气释放。

3.The bohr effect 波尔效应 explains how hemoglobin releases oxygen more efficiently in active tissues.

波尔效应解释了血红蛋白如何在活跃的组织中更有效地释放氧气。

4.The bohr effect 波尔效应 is a key factor in how our bodies adapt to high altitudes.

波尔效应是我们身体适应高海拔的关键因素。

5.Understanding the bohr effect 波尔效应 is crucial for medical professionals when assessing respiratory function.

理解波尔效应对医疗专业人员评估呼吸功能至关重要。

作文

The human body is an intricate system that relies on various physiological processes to maintain life. One of the critical functions of our body is the transportation of oxygen from the lungs to the tissues and organs, which is facilitated by red blood cells. Within this context, the concept of the bohr effect plays a significant role in understanding how oxygen delivery is regulated. The bohr effect refers to the physiological phenomenon where an increase in carbon dioxide concentration and a decrease in pH (which indicates increased acidity) reduce the affinity of hemoglobin for oxygen. This means that as tissues become more metabolically active and produce more carbon dioxide, hemoglobin releases oxygen more readily to those tissues.To further understand the bohr effect, it is essential to recognize the relationship between carbon dioxide levels, pH, and oxygen binding. When cells undergo metabolism, they produce carbon dioxide as a byproduct. This increase in carbon dioxide leads to a drop in blood pH, creating a more acidic environment. Hemoglobin, the protein responsible for carrying oxygen, responds to these changes by altering its structure, which results in a decreased affinity for oxygen. Consequently, hemoglobin releases oxygen more efficiently in areas where it is most needed, such as active muscles during exercise.The bohr effect is particularly important in high-demand situations. For instance, during intense physical activity, our muscles require more oxygen to sustain energy production. As the muscles work harder, they generate more carbon dioxide, which triggers the bohr effect. This physiological response ensures that oxygen is delivered precisely where it is needed, enhancing overall performance and endurance.Additionally, the bohr effect is not only limited to physical exertion. It also plays a role in the body's response to various environmental conditions. For example, at higher altitudes, the partial pressure of oxygen decreases, leading to a compensatory increase in breathing rate. In this scenario, the bohr effect helps to optimize oxygen release in tissues despite lower oxygen availability in the air.Understanding the bohr effect has implications beyond basic physiology. It is crucial in medical settings, particularly in understanding conditions such as chronic obstructive pulmonary disease (COPD) or asthma, where gas exchange may be impaired. In these cases, the bohr effect can be altered, affecting how oxygen is delivered throughout the body.In conclusion, the bohr effect is a vital mechanism that illustrates the dynamic interplay between oxygen delivery and metabolic activity within the human body. By recognizing how factors such as carbon dioxide concentration and pH influence hemoglobin's affinity for oxygen, we can appreciate the complexity of our respiratory and circulatory systems. This understanding not only enhances our knowledge of human physiology but also underscores the importance of maintaining optimal health to ensure efficient oxygen transport and utilization. The bohr effect is a remarkable example of how our bodies adapt to meet varying demands, showcasing the elegance of biological systems in action.

人体是一个复杂的系统，依赖于各种生理过程来维持生命。我们身体的一个关键功能是将氧气从肺部运输到组织和器官，这一过程由红血球促进。在这个背景下，博尔效应的概念在理解氧气运输调节方面起着重要作用。博尔效应指的是一种生理现象，即二氧化碳浓度增加和pH值下降（表示酸度增加）会降低血红蛋白对氧气的亲和力。这意味着，当组织变得更具代谢活性并产生更多二氧化碳时，血红蛋白更容易将氧气释放给这些组织。为了进一步理解博尔效应，有必要认识到二氧化碳水平、pH值和氧气结合之间的关系。当细胞进行代谢时，它们会产生二氧化碳作为副产品。这种二氧化碳的增加导致血液pH值下降，形成更酸性的环境。血红蛋白负责携带氧气的蛋白质，对这些变化做出反应，改变其结构，从而导致对氧气的亲和力降低。因此，血红蛋白在最需要的地方更有效地释放氧气，例如在运动期间活跃的肌肉中。博尔效应在高需求情况下尤其重要。例如，在剧烈的身体活动中，我们的肌肉需要更多的氧气来维持能量生产。当肌肉更加努力工作时，它们会产生更多的二氧化碳，这触发了博尔效应。这一生理反应确保氧气被精确输送到所需的地方，从而增强整体表现和耐力。此外，博尔效应不仅限于身体活动的影响。它还在身体对各种环境条件的反应中发挥作用。例如，在高海拔地区，氧气的分压降低，导致呼吸频率的补偿性增加。在这种情况下，博尔效应有助于优化尽管空气中氧气可用性降低，但仍能有效释放组织中的氧气。理解博尔效应不仅在基础生理学中具有重要意义，还在医学领域具有重要意义，特别是在理解慢性阻塞性肺病（COPD）或哮喘等条件时，这些情况下气体交换可能受到影响。在这些情况下，博尔效应可能会发生变化，从而影响氧气在全身的输送。总之，博尔效应是一个重要机制，展示了人类身体内氧气输送与代谢活动之间的动态相互作用。通过认识到二氧化碳浓度和pH值等因素如何影响血红蛋白对氧气的亲和力，我们可以欣赏到我们呼吸和循环系统的复杂性。这种理解不仅增强了我们对人体生理学的知识，还强调了保持最佳健康以确保有效氧气运输和利用的重要性。博尔效应是一个显著的例子，展示了我们身体如何适应以满足不同需求，彰显了生物系统运作的优雅。