Notice: Function _load_textdomain_just_in_time was called incorrectly. Translation loading for the rocket domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the init action or later. Please see Debugging in WordPress for more information. (This message was added in version 6.7.0.) in /var/www/practical-tips.com/wp-includes/functions.php on line 6114

Notice: Function _load_textdomain_just_in_time was called incorrectly. Translation loading for the soledad domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the init action or later. Please see Debugging in WordPress for more information. (This message was added in version 6.7.0.) in /var/www/practical-tips.com/wp-includes/functions.php on line 6114

Notice: Function _load_textdomain_just_in_time was called incorrectly. Translation loading for the soledad domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the init action or later. Please see Debugging in WordPress for more information. (This message was added in version 6.7.0.) in /var/www/practical-tips.com/wp-includes/functions.php on line 6114
眼泪为什么是咸的?简单解释 - Practical Tips

眼泪为什么是咸的?简单解释

by Michaela

眼泪为什么是咸的是一个经常被讨论的问题。这与泪液的分泌有关。如果泪液中没有盐分,人体就无法分泌泪液

解释:眼泪为什么是咸的。

眼泪的水是从周围组织中提取的。为此,泪腺会产生并分泌盐分。

  • 如果没有泪腺分泌的盐分,就不会产生眼泪。正是泪腺分泌的盐分使泪水得以产生。
  • 泪腺位于眼睛上方。为了分泌泪液,泪腺分泌盐分将液体从组织中吸出来。这个过程称为渗透。
  • 这种盐当然不能与传统的食盐相提并论。相反,它是不同电解质和钾的混合物。

渗透作用的简单解释

渗透是盐分从组织中吸取液体的过程。这不仅体现在眼泪的产生上。

  • 例如,当你在西红柿或黄瓜上撒盐时,水就会被从中提取出来。然后它就会聚集在碗里
  • 这是因为液体总是向盐分最多的地方流动。这正是眼睛里发生的事情。
  • 泪腺分泌盐分,将组织中的水分吸出,进而聚集到泪腺中。

Related Articles

Leave a Comment