physiological action

简明释义

生理酌

英英释义

例句

1.The physiological action of stress can lead to increased heart rate and blood sugar levels.

压力的生理作用可能导致心率和血糖水平升高。

2.Caffeine has a stimulating physiological action on the central nervous system.

咖啡因对中枢神经系统具有刺激性的生理作用。

3.Certain herbs have a calming physiological action that can help reduce anxiety.

某些草药具有镇静的生理作用，可以帮助减少焦虑。

4.Understanding the physiological action of exercise can help improve athletic performance.

理解运动的生理作用可以帮助提高运动表现。

5.The drug's physiological action is to lower blood pressure.

该药物的生理作用是降低血压。

作文

The human body is a complex system that operates through various mechanisms to maintain homeostasis and respond to external stimuli. One of the fundamental concepts in understanding how our bodies function is the idea of physiological action, which refers to the processes and responses that occur within living organisms. These actions are crucial for survival and can be observed in numerous scenarios, from simple reflexes to intricate hormonal responses. To illustrate the importance of physiological action, consider the process of digestion. When we consume food, our body initiates a series of physiological actions involving the nervous and endocrine systems. The sight and smell of food stimulate the brain, which sends signals to the stomach to begin producing gastric juices. This response is not merely a reaction to hunger; it is a well-coordinated physiological action that prepares the body to extract nutrients efficiently. Another example can be found in the fight-or-flight response, a classic demonstration of physiological action. When faced with danger, the body undergoes rapid changes: heart rate increases, breathing becomes more rapid, and adrenaline is released into the bloodstream. These physiological actions are designed to prepare the body for immediate physical activity, whether it be fleeing from a threat or standing to confront it. This response highlights how our bodies are equipped with innate mechanisms to ensure survival. Furthermore, physiological action plays a significant role in exercise and physical fitness. During physical activity, the body requires more oxygen and energy, prompting various physiological actions such as increased heart rate and enhanced blood flow to the muscles. The efficiency of these responses can determine an individual's performance and endurance. As athletes train, their bodies adapt through improved physiological actions, enabling them to perform better over time. In addition to these examples, physiological action also encompasses responses to environmental changes. For instance, when exposed to cold temperatures, the body responds by shivering to generate heat, a physiological action aimed at maintaining core body temperature. Conversely, in hot conditions, sweating is a physiological action that helps cool the body down through evaporation. These adaptations are essential for sustaining life and ensuring that the body can cope with varying conditions. Understanding physiological action is not only important for biology and medicine but also for everyday life. By recognizing how our bodies respond to different stimuli, we can make informed decisions about our health and well-being. For example, knowing how stress affects our physiological actions can encourage us to adopt stress-reduction techniques such as mindfulness or exercise. In conclusion, physiological action is a vital concept that encompasses the myriad processes our bodies undertake to function effectively. From digestion to responses to stress, these actions are essential for survival and overall health. By studying and understanding physiological action, we gain insights into the intricate workings of our bodies and can better appreciate the complexity of life itself.

人体是一个复杂的系统，通过各种机制运作，以维持内环境的稳定并响应外部刺激。在理解我们身体如何运作的基本概念之一是生理作用的概念，它指的是在生物体内发生的过程和反应。这些作用对生存至关重要，可以在许多场景中观察到，从简单的反射到复杂的激素反应。为了说明生理作用的重要性，考虑消化过程。当我们摄入食物时，我们的身体会启动一系列涉及神经系统和内分泌系统的生理作用。食物的视觉和气味刺激大脑，向胃发送信号以开始产生胃液。这种反应不仅仅是对饥饿的反应；它是一个协调良好的生理作用，旨在有效地准备身体提取营养。另一个例子可以在战斗或逃跑反应中找到，这是生理作用的经典示范。当面临危险时，身体会迅速变化：心率增加，呼吸加快，肾上腺素释放到血液中。这些生理作用旨在为身体准备立即的身体活动，无论是逃离威胁还是站出来面对它。这种反应突显了我们的身体具备内在机制以确保生存。此外，生理作用在锻炼和身体健康中也起着重要作用。在体育活动中，身体需要更多的氧气和能量，促使各种生理作用的发生，例如心率增加和血流增强到肌肉。这些反应的效率可以决定个人的表现和耐力。随着运动员训练，他们的身体通过改善的生理作用进行适应，使他们能够随着时间的推移表现得更好。除了这些例子，生理作用还包括对环境变化的反应。例如，当暴露在寒冷的温度下时，身体通过颤抖来产生热量，这是一种旨在维持核心体温的生理作用。相反，在炎热的条件下，出汗是一种通过蒸发帮助降温的生理作用。这些适应对于维持生命和确保身体能够应对不同条件至关重要。理解生理作用不仅对生物学和医学重要，也对日常生活至关重要。通过认识到我们的身体如何响应不同的刺激，我们可以就健康和福祉做出明智的决定。例如，了解压力如何影响我们的生理作用可以鼓励我们采用减压技术，如正念或锻炼。总之，生理作用是一个重要的概念，涵盖了我们身体为有效运作而进行的无数过程。从消化到对压力的反应，这些作用对生存和整体健康至关重要。通过研究和理解生理作用，我们获得了对我们身体精细运作的洞察，并能更好地欣赏生命本身的复杂性。