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Countercurrent exchange relies on blood vessels carrying blood to the extremities lying close to blood vessels returning to the body core. As the blood returns to the body core, heat passes from the blood in the vessels leading to the extremities. In this way heat is exchanged within the body and not between the body and the external environment.
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D0R0 2020년 12월 12일 오후 10시 19분 
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Henny ♛ 2020년 11월 7일 오전 2시 30분 
Countercurrent exchange relies on blood vessels carrying blood to the extremities lying close to blood vessels returning to the body core. As the blood returns to the body core, heat passes from the blood in the vessels leading to the extremities. In this way heat is exchanged within the body and not between the body and the external environment.
Henny ♛ 2020년 11월 7일 오전 2시 30분 
Countercurrent exchange relies on blood vessels carrying blood to the extremities lying close to blood vessels returning to the body core. As the blood returns to the body core, heat passes from the blood in the vessels leading to the extremities. In this way heat is exchanged within the body and not between the body and the external environment.
Henny ♛ 2020년 11월 7일 오전 2시 30분 
Countercurrent exchange relies on blood vessels carrying blood to the extremities lying close to blood vessels returning to the body core. As the blood returns to the body core, heat passes from the blood in the vessels leading to the extremities. In this way heat is exchanged within the body and not between the body and the external environment.
Henny ♛ 2020년 11월 7일 오전 2시 30분 
Countercurrent exchange relies on blood vessels carrying blood to the extremities lying close to blood vessels returning to the body core. As the blood returns to the body core, heat passes from the blood in the vessels leading to the extremities. In this way heat is exchanged within the body and not between the body and the external environment.
Dominayton 2016년 9월 16일 오후 7시 38분 
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