#保護免於溫度危害
#維持體內平衡
#Temperature
#Maintain Homeostasis
血管網路防止體表熱損失 (Blood Vessel Network Prevents Heat Loss at Body Surface)
灰鯨舌頭中的血管網路通過逆流熱交換對血液進行預冷，以避免熱量損失。
(The blood vessel network in the tongues of gray whales precools blood to avoid heat loss via counter-current heat exchange.)
