Alright, you ready? That's the appendix. Go ahead and feel it. Yes. This floppy structure. Yes. -It's so small. It's so small. -I know. It's called a vermiform appendix, because it's a worm-like ...

盲肠cecum是大肠的开始部，位于右髂窝内，左接回肠，上通升结肠。在盲肠的后内壁伸出一条细长的阑尾vermiform appendix，其末端游离，一般长6-8厘米，内腔与盲肠相通。 结肠colon围绕在空回肠的周围，可分为升结肠、横结肠、降结肠和乙状结肠四部分。升结肠是 ...

To help place the ideal ages provided by respondents in context, we compiled data on when in life people around the world actually get married, have their first child and become eligible for certain ...