생명의 소리...심장박동의 요동 치는 모습 l 항상 바쁜 소화시스템 VIDEO: Human heart in action ㅣ Human digestive system

 

 

VIDEO: Human heart in action ㅣ Human digestive system

 

심혈관질환 위험 낮춰주는 돈 안드는 이 운동은 Climbing over 50 steps of stairs a day may help reduce heart disease risk

https://conpaper.tistory.com/110962

 

 

Human digestive system - How it works! (Animation)

https://youtu.be/X3TAROotFfM

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