الصوت الساكن
nandaariantis29
Pernah Terbayang Bagaimana Makanan Berjalan di Dalam Perut? Banyak yang mengira makanan turun ke bawah karena gaya gravitasi semata, padahal faktanya, usus kita bekerja sangat aktif! Video ini menunjukkan fenomena nyata gerakan peristaltik, yaitu kontraksi otot usus yang bergelombang secara otomatis untuk mendorong makanan dari kerongkongan hingga ke pembuangan akhir. Proses ini terjadi di luar kesadaran kita (involunter), sehingga meskipun kita sedang tidur atau jungkir balik, sistem pencerna...
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