人、狗、鼠、兔均是恆溫動物,意思即是他們需要動用從新陳代謝中所獲取的能量來保持恆常體溫。348Please respect copyright.PENANAc2LZ9XhGGu348Please respect copyright.PENANA63zmxfHgk7
348Please respect copyright.PENANAPuOUe2BdH6
在炎熱的天氣下,人及狗均能依靠流汗及喘氣作散熱的手段。348Please respect copyright.PENANAq6JckHxIfb
但鼠及兔皮下並沒有汗腺的關係,牠們沒有流汗的能力,同時亦沒有喘氣的習性。348Please respect copyright.PENANAEsZZwTUILt
348Please respect copyright.PENANAFfin6DOC7c
(圖2)在行為方面,鼠及兔只好依靠躲藏或擺出不同的身體姿勢作散溫或保暖用途。348Please respect copyright.PENANALMxlFeWQX8348Please respect copyright.PENANAUGcZrBL40x
348Please respect copyright.PENANAuaZmAtIL6n
生理方面,鼠及兔能透過豎毛(Piloerection),亦即是毛管戙來阻隔寒氣入侵,又或是擴張血管(Vasodilation)來加快散熱效能。348Please respect copyright.PENANAXF9FSKASar
348Please respect copyright.PENANAGhl2kY9tKV
(圖3)老鼠的尾巴約佔全身皮膚面積5%左右,但約17%的體溫調節功能均是透過尾巴的血管擴張及收縮來控制。348Please respect copyright.PENANAFyy7LIq8mX348Please respect copyright.PENANAGF0fjSr305
348Please respect copyright.PENANAG0rhF9nvkX
至於兔仔的耳廓(Auricle),其表面的血管亦跟老鼠尾巴帶有著調節溫度的功能。348Please respect copyright.PENANAJ4M4hWwbi8
348Please respect copyright.PENANALxdCYYOlVC
348Please respect copyright.PENANAisplKJviQG
如果想我快啲出文的話,請入去Penana網站科普專欄–薯不揀單俾一個like以及Bookmark,這對我非常之重要。348Please respect copyright.PENANA70tpuYjHpQ
348Please respect copyright.PENANAhzjUDTVuuX
Link: https://www.penana.com/story/66244/%E7%A7%91%E6%99%AE%E5%B0%88%E6%AC%84-%E8%96%AF%E4%B8%8D%E6%8F%80%E5%96%AE/toc348Please respect copyright.PENANA2r8bIW4N21
348Please respect copyright.PENANA8eUiNfiBX4
同時亦可以在Penana網站裡按「買一嚿/半嚿薯仔」,以課金的方式推動我繼續搜羅資料寫文,多謝。348Please respect copyright.PENANA6CJoAgH0Yj
348Please respect copyright.PENANA5KRzmf7iNf
Link:348Please respect copyright.PENANA6SDGsXkWwP
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio348Please respect copyright.PENANAOzeVs0qqs1
348Please respect copyright.PENANA3o1WfnGJuL
348Please respect copyright.PENANA0vx54O958m
除非Facebook及IG重開侵侵的account,否則我的IG將不會再作更新,只會寄居本土LIHKG及Penana。348Please respect copyright.PENANACIlKp4ylCV
arrow_back
科普專欄–薯不揀單
more_vert
-
info_outline 資料
-
toc 目錄
-
share 分享
-
format_color_text 介面設置
-
exposure_plus_1 推薦
-
打賞
-
report_problem 檢舉
-
account_circle 登入
X
科普專欄–薯不揀單
作者:
薯仔聞茱莉
![薯仔聞茱莉](https://static2.penana.com/fit-in/24x24/images/users/large/10/56/10560680635a34d605a71d62.38826921-27349.jpeg)
篇 #176
三十秒科學–老鼠及兔仔會否流汗?
喜歡 1
閱讀 344
書籤 148
campaign
催更 0
打賞
![](https://static2.penana.com/img/social/facebook.png)
按此加載下一章
X
每次催更後,作者都會收到通知!
smartphone100 → 催更
×
寫下你喜歡這個故事的地方
×
對此喜歡的人