acid-base balance

简明释义

酸碱平衡;

英英释义

例句

1.Doctors often check the acid-base balance in patients with respiratory issues.

医生通常会检查有呼吸问题的患者的酸碱平衡。

2.An imbalance in acid-base balance can lead to serious health complications.

在酸碱平衡中出现失衡可能导致严重的健康并发症。

3.The kidneys play a key role in regulating the body's acid-base balance.

肾脏在调节身体的酸碱平衡中起着关键作用。

4.Athletes need to monitor their acid-base balance to enhance performance.

运动员需要监测他们的酸碱平衡以提高表现。

5.Maintaining a stable acid-base balance is crucial for optimal metabolic function.

维持稳定的酸碱平衡对最佳代谢功能至关重要。

作文

The human body is a complex system that requires a delicate balance to function effectively. One of the most critical aspects of this balance is known as acid-base balance. This term refers to the homeostasis of hydrogen ions in the body, which is essential for maintaining a stable internal environment. The body must regulate its pH levels to ensure that they remain within a narrow range, typically between 7.35 and 7.45. Deviations from this range can lead to significant health issues, reflecting the importance of acid-base balance in our physiological processes.The body employs various mechanisms to maintain acid-base balance. These include buffer systems, respiratory regulation, and renal function. Buffer systems, such as bicarbonate, phosphate, and proteins, play a vital role in neutralizing excess acids or bases. For example, when there is an increase in carbon dioxide levels due to respiratory issues, the body can adjust by increasing bicarbonate to counteract the acidity, thus stabilizing the pH level.Furthermore, the respiratory system also contributes to acid-base balance by regulating the amount of carbon dioxide expelled from the body. When a person breathes more rapidly, they exhale more carbon dioxide, which reduces the acidity of the blood. Conversely, slower breathing can lead to increased carbon dioxide levels, resulting in a more acidic environment. This dynamic interplay highlights how the respiratory system is intricately linked to acid-base balance.The kidneys also play a crucial role in maintaining acid-base balance. They filter blood and can excrete or reabsorb hydrogen ions and bicarbonate as needed. When the body becomes too acidic, the kidneys will excrete more hydrogen ions and retain bicarbonate, helping to raise the pH level back into the normal range. On the other hand, if the body is too alkaline, the kidneys can excrete bicarbonate and retain hydrogen ions to lower the pH.Disruptions in acid-base balance can lead to conditions such as acidosis or alkalosis. Acidosis occurs when the blood becomes too acidic, which can result from factors like kidney failure, uncontrolled diabetes, or severe dehydration. Symptoms of acidosis can include fatigue, confusion, and shortness of breath. On the other hand, alkalosis occurs when the blood is too alkaline, often caused by prolonged vomiting or excessive intake of antacids. Symptoms may include muscle twitching, hand tremors, and nausea.To maintain optimal acid-base balance, it is essential to adopt a healthy lifestyle. This includes a balanced diet rich in fruits and vegetables, regular exercise, and proper hydration. Foods that are high in potassium, such as bananas and spinach, can help support acid-base balance by promoting bicarbonate production in the body. Additionally, staying hydrated helps the kidneys function efficiently, ensuring that they can effectively regulate pH levels.In conclusion, acid-base balance is a fundamental aspect of human physiology that plays a significant role in overall health. Understanding how the body maintains this balance through various systems can provide valuable insights into how to promote better health. By being mindful of our lifestyle choices and recognizing the signs of imbalance, we can take proactive steps to ensure our bodies function optimally. Ultimately, achieving and maintaining acid-base balance is essential for our well-being, allowing us to thrive in our daily lives.

人体是一个复杂的系统，需要保持微妙的平衡才能有效运作。其中最关键的方面之一被称为酸碱平衡。这个术语指的是体内氢离子的稳态，这对于维持稳定的内部环境至关重要。身体必须调节其pH水平，以确保它们保持在狭窄的范围内，通常在7.35到7.45之间。偏离这个范围可能导致严重的健康问题，反映出酸碱平衡在我们生理过程中的重要性。身体采用各种机制来维持酸碱平衡。这些机制包括缓冲系统、呼吸调节和肾功能。缓冲系统，如碳酸氢盐、磷酸盐和蛋白质，在中和多余的酸或碱方面发挥着重要作用。例如，当由于呼吸问题导致二氧化碳水平升高时，身体可以通过增加碳酸氢盐来对抗酸度，从而稳定pH水平。此外，呼吸系统也通过调节排出体内的二氧化碳量来促进酸碱平衡。当一个人呼吸更快时，他们会排出更多的二氧化碳，从而降低血液的酸度。相反，呼吸较慢会导致二氧化碳水平升高，导致环境更加酸性。这种动态的相互作用突显了呼吸系统与酸碱平衡之间的复杂联系。肾脏在维持酸碱平衡中也发挥着至关重要的作用。它们过滤血液，可以根据需要排泄或重吸收氢离子和碳酸氢盐。当身体变得过于酸性时，肾脏会排泄更多的氢离子并保留碳酸氢盐，从而帮助将pH水平提高到正常范围。另一方面，如果身体过于碱性，肾脏可以排泄碳酸氢盐并保留氢离子以降低pH。酸碱平衡的扰动可能导致酸中毒或碱中毒等疾病。酸中毒发生在血液变得过于酸性时，这可能是由肾衰竭、失控的糖尿病或严重脱水等因素引起的。酸中毒的症状可能包括疲劳、混乱和呼吸急促。另一方面，碱中毒发生在血液过于碱性时，通常是由于长时间呕吐或过量摄入抗酸药。症状可能包括肌肉抽搐、手抖和恶心。为了维持最佳的酸碱平衡，采用健康的生活方式至关重要。这包括均衡的饮食，富含水果和蔬菜，定期锻炼和适当的水分摄入。高钾食物，如香蕉和菠菜，有助于通过促进体内碳酸氢盐的产生来支持酸碱平衡。此外，保持水分充足有助于肾脏有效运作，确保它们能够有效调节pH水平。总之，酸碱平衡是人类生理学的一个基本方面，对整体健康起着重要作用。理解身体如何通过各种系统维持这种平衡，可以为促进更好的健康提供有价值的见解。通过关注我们的生活方式选择并识别失衡的迹象，我们可以采取积极措施，以确保我们的身体最佳运作。最终，实现和维持酸碱平衡对我们的健康至关重要，使我们能够在日常生活中茁壮成长。