nervous system

简明释义

神经系统

英英释义

例句

1.Stress can have a significant impact on your nervous system.

压力会对你的神经系统产生重大影响。

2.The nervous system plays a crucial role in reflex actions.

神经系统在反射动作中起着至关重要的作用。

3.Yoga and meditation can help calm the nervous system.

瑜伽和冥想可以帮助平静神经系统。

4.Certain diseases can affect the functioning of the nervous system.

某些疾病会影响神经系统的功能。

5.The human nervous system is responsible for transmitting signals between different parts of the body.

人类的神经系统负责在身体不同部分之间传递信号。

作文

The human body is a complex and intricate system that relies on various components to function effectively. One of the most crucial systems in our body is the nervous system, which plays a vital role in regulating our bodily functions and responses. The nervous system can be divided into two main parts: the central nervous system (CNS) and the peripheral nervous system (PNS). The CNS consists of the brain and spinal cord, while the PNS includes all the other neural elements, such as the nerves that branch out from the spinal cord to the rest of the body.The primary function of the nervous system is to transmit signals between different parts of the body. This communication network allows us to respond to external stimuli, control our movements, and process sensory information. For instance, when we touch something hot, the sensory receptors in our skin send a signal through the nervous system to our brain, which processes the information and prompts us to withdraw our hand quickly. This reaction illustrates the nervous system's role in protecting us from harm.Moreover, the nervous system also regulates involuntary actions such as breathing, heartbeat, and digestion. These functions are controlled by the autonomic nervous system, a subset of the PNS. The autonomic nervous system operates without conscious effort, allowing us to carry out essential life-sustaining processes while focusing on other activities.Another fascinating aspect of the nervous system is its ability to adapt and change. This phenomenon, known as neuroplasticity, enables the brain to reorganize itself by forming new neural connections throughout life. Neuroplasticity is essential for learning new skills, recovering from injuries, and adapting to new experiences. For example, when someone learns to play a musical instrument, their nervous system develops new pathways to accommodate this skill, demonstrating the incredible adaptability of our brains.However, the nervous system can also be susceptible to various disorders and diseases. Conditions such as multiple sclerosis, Parkinson's disease, and Alzheimer's disease can significantly impact the functioning of the nervous system, leading to debilitating symptoms and a decreased quality of life. Understanding these conditions is crucial for developing effective treatments and improving patient outcomes.In conclusion, the nervous system is an essential part of our body's functionality, responsible for communication, coordination, and adaptation. Its complexity and adaptability highlight the marvels of human biology. As we continue to study the nervous system, we uncover more about how it works and how we can protect and enhance its function throughout our lives. By prioritizing brain health and seeking medical advice when necessary, we can maintain the integrity of our nervous system and improve our overall well-being.

人体是一个复杂而精密的系统，依赖于各种组成部分有效地运作。在我们身体中，最重要的系统之一就是神经系统，它在调节我们的身体功能和反应方面发挥着至关重要的作用。神经系统可以分为两个主要部分：中枢神经系统（CNS）和周围神经系统（PNS）。中枢神经系统由大脑和脊髓组成，而周围神经系统则包括从脊髓分支出去的所有其他神经元素，如分布到身体其余部分的神经。神经系统的主要功能是传递身体各个部分之间的信号。这种通信网络使我们能够对外部刺激作出反应，控制我们的运动并处理感官信息。例如，当我们触摸到热物体时，皮肤中的感觉受体会通过神经系统向大脑发送信号，大脑处理这些信息并促使我们迅速收回手。这种反应说明了神经系统在保护我们免受伤害方面的作用。此外，神经系统还调节诸如呼吸、心跳和消化等非自愿行为。这些功能由自主神经系统控制，自主神经系统是周围神经系统的一个子集。自主神经系统在没有意识努力的情况下运作，使我们能够在专注于其他活动的同时进行基本的维持生命的过程。神经系统的另一个迷人之处是它的适应和变化能力。这种现象被称为神经可塑性，使大脑能够通过在整个生命中形成新的神经连接来重新组织自身。神经可塑性对于学习新技能、从伤害中恢复以及适应新体验至关重要。例如，当某人学习演奏乐器时，他们的神经系统会发展出新的通路以适应这一技能，展示了我们大脑的惊人适应能力。然而，神经系统也容易受到各种疾病和障碍的影响。多发性硬化症、帕金森病和阿尔茨海默病等疾病可能严重影响神经系统的功能，导致虚弱的症状和生活质量的下降。了解这些疾病对于开发有效的治疗方案和改善患者的预后至关重要。总之，神经系统是我们身体功能的一个重要组成部分，负责沟通、协调和适应。其复杂性和适应性突显了人类生物学的奇迹。随着我们继续研究神经系统，我们将揭示更多关于它如何运作以及如何保护和增强其功能的信息。通过优先考虑大脑健康并在必要时寻求医疗建议，我们可以维护神经系统的完整性，改善整体健康。