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  • General

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  • 散逸系统

    lesson content

    What do you do with your waste?
    ::你用你的废物做什么?

    Toxic waste must be disposed of properly or there can be serious consequences. Your waste needs to be removed from you. And that is the role of the excretory system. The excretory system gets rid of waste and excess .
    ::有毒废物必须妥善处理,否则会产生严重后果。 您的废物需要清除。 这就是排泄系统的作用。 排泄系统可以清除废物和多余的废物 。

    Excretion
    ::自由裁量

    If you on a hot day, you are likely to lose a lot of water in sweat. Then, for the next several hours, you may notice that you do not pass urine as often as normal and that your urine is darker than usual. Do you know why this happens? Your body is low on water and trying to reduce the amount of water lost in urine. The amount of water lost in urine is controlled by the , the main organs of the excretory system.
    ::如果你在炎热的一天,你可能会在汗水中流失大量水。然后,在接下来的几个小时里,你可能会注意到,你没有像平常那样频繁地通过尿液,你的尿液比平常更黑暗。你知道为什么会这样吗?你的身体缺水,试图减少尿液中缺水的数量。尿液中缺水的数量是由排泄系统的主要器官控制的。

    Excretion is the process of removing wastes and excess water from the body. It is one of the major ways the body maintains . Although the kidneys are the main organs of excretion, several other organs also excrete wastes. They include the liver , skin, and lungs . All of these organs of excretion, along with the kidneys, make up the excretory system . The roles of the excretory organs other than the kidney are summarized below:
    ::排泄是从身体中清除废物和多余水的过程,是身体维持的主要方法之一。虽然肾是排泄的主要器官,但其他几种器官也排出废物,包括肝脏、皮肤和肺。所有这些排泄器官以及肾脏组成排出系统。除肾脏外,排出器官的作用概述如下:

    • The liver breaks down excess amino acids and toxins in the .
      ::肝脏打破了氨基酸和毒素的过剩。
    • The skin eliminates excess water and salts in sweat.
      ::皮肤消除了多余的水和汗水中的盐类。
    • The lungs exhale water vapor and carbon dioxide.
      ::肺吸入水蒸气和二氧化碳

     

    Summary
    ::摘要

    • Excretion is the process of removing wastes and excess water from the body. It is one of the major ways the body maintains homeostasis.
      ::排泄是从身体中清除废物和过量水的过程,是身体保持顺势的主要方法之一。
    • Organs of excretion make up the excretory system. They include the kidneys, liver, skin, and lungs.
      ::排泄器官构成排泄系统,包括肾脏、肝脏、皮肤和肺部。

    Review
    ::回顾

    1. What is excretion?
      ::什么是自由裁量?
    2. List organs of the excretory system and their functions.
      ::列出排泄系统各机关及其职能。