Circulatory system
01
순환계, 혈액 순환 시스템
the network of vessels and organs, including the heart, that transports blood throughout the body, delivering nutrients and oxygen while removing waste products
예시들
The circulatory system helps blood move in our bodies.
순환계는 우리 몸에서 혈액이 움직이는 것을 돕습니다.
Our heart is part of the circulatory system.
우리의 심장은 순환계의 일부입니다.



























