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。346Please respect copyright.PENANAntcEfZn680346Please respect copyright.PENANAuti8wWTmcv
346Please respect copyright.PENANAatuds3c8ay
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。346Please respect copyright.PENANAfqQmdUzPaK
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。346Please respect copyright.PENANAhbf98E1Ipy
346Please respect copyright.PENANAvQql4G76fE
(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。346Please respect copyright.PENANAL60GTs4KCS346Please respect copyright.PENANARZtph8vUNW
346Please respect copyright.PENANACULVdKBbKu
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。346Please respect copyright.PENANA7OcmUsG7iG
346Please respect copyright.PENANAbfAaCpnGMg
(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。346Please respect copyright.PENANAkCnF6QyMwG346Please respect copyright.PENANAWl0hKdm07b
346Please respect copyright.PENANACJVycVxpvG
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。346Please respect copyright.PENANADLisjlr4ZD
346Please respect copyright.PENANAKLk5c0Zdew
346Please respect copyright.PENANA4fbzo5yMME
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。346Please respect copyright.PENANAsjYSpOQ2dB
346Please respect copyright.PENANAomSlAIModA
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/toc346Please respect copyright.PENANAU6rWfmNcKA
346Please respect copyright.PENANAsXRruPukj4
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。346Please respect copyright.PENANA5fjvLkkZSJ
346Please respect copyright.PENANAue5uDC1Pxl
Link:346Please respect copyright.PENANAi4qFQUhnWX
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio346Please respect copyright.PENANAayUx4MSUy1
346Please respect copyright.PENANAd48BzmDo1e
346Please respect copyright.PENANAr5sRflhyl5
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。346Please respect copyright.PENANAAFlWrpnUiJ
arrow_back
科普專欄–薯不揀單
more_vert
-
info_outline Info
-
toc Table of Contents
-
share Share
-
format_color_text Display Settings
-
exposure_plus_1 Recommend
-
Sponsor
-
report_problem Report
-
account_circle Login
Search stories, writers or societies
Continue ReadingClear All
What Others Are ReadingRefresh
X
Never miss what's happening on Penana!
科普專欄–薯不揀單
Author:
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)
ISSUE #176
三十秒科學–老鼠及兔仔會否流汗?
LIKES 1
READS 342
BOOKMARKS 148
campaign
Request update 0
Sponsor
![](https://static2.penana.com/img/social/facebook.png)
Click to load the next chapter
X
After each update request, the author will receive a notification!
smartphone100 → Request update
X
Sponsor again
Click to login
Login first to show your name as a sponsor.
Thank you for supporting the story! :)
Please Login first.
×
Write down what you like about the story
×
Reading Theme:
Font Size:
Line Spacing:
Paragraph Spacing:
Load the next issue automatically
Reset to default
×
People Who Like This