Our kidneys are part of our body's urinary system and serve like a strainer or filter.
Our kidneys are part of our body's urinary system and serve like a strainer or filter.
肾脏是人体泌尿系统的一部分，起着过滤的作用。
Our kidneys are part of our body's urinary system and serve like a strainer or filter.
肾脏是人体泌尿系统的一部分，起着过滤的作用。