Why can leeches survive in the human body for several years but cannot parasitize chickens?

Animation simulates the bodily changes that occur during pregnancy

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Record my pregnancy process

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Thank you for helping me!

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unbearable lightness of being

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Why do some girls like wearing thongs?

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The sperm and egg fertilization process—let’s go, brothers!

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Dance cover of You Who Love 105°C

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When I was six years old, my teacher handed me a crayon

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【Human Gas Station】Secondary Head Structure Reasoning Exercise

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“The Curves Leaning Against the Wall”: A Powerful Reference for Teaching Human Anatomy

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Body art requires appreciation

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What happens if a bullfrog meets a leech?

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Want to know how to do body exercises? Come, follow 'Death' to practice the human body!

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Does the Leech Like Eating Crisps

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Which one will win in the battle, a leech or a snapping turtle?

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Jumping Candy "Fried" The Leech!

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