경제문화 Economy, Culture/얘기꺼리 Gosship
VIDEO: Every day arm day.ㅣ The tree was there first ㅣ Preventing food and drink from going to lungs
Engi-
2020. 11. 7. 23:35
Every day arm day.
Awesome 9gag.com
The tree was there first
Awesome 9gag.com
How the epiglottis works while swallowing, preventing food and drink from going to lungs
GIF
설명
1. 달인
2. 나무가 우선
3, 음식물과 음료수가 폐로 가는 것을 방지하는 메커니즘
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