You presumably have never seen any of the Alien movies then. On munch's face is a face-hugger (or so that is what they are referred to by). It jumps on your face and instantly puts you in a comma. During this comma it slips an egg down your throat which, inside your stomach, becomes a baby xenomorph. This xenomorph then bursts out your chest and you die. To the left of Munch you can see Abe with a fully grown xenomorph's head.
Free cookie to whoever can explain that more briefly.
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