Why our lips are red in colour

[匿名]

2011-07-25 8:12 pm

✔ 最佳答案

Q. Why is a trunk of a tree round?

A. When tree grows, it grows vertically. It grows horzontally in all directions almost evenly. The result is a round trunk.

Hope I can help you!!!!!!!!!>_<

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[匿名]

2011-07-27 7:10 pm

The skin that makes up your lips isn't actually red. There are three layers of nearly translucent skin that form your lips. Beneath them is the mucous membrane layer that contains capillaries close to the skin's surface. The blood in these capilla...

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[匿名]

2011-07-14 6:45 am

The skin that makes up your lips isn't actually red. There are three layers of nearly translucent skin that form your lips. Beneath them is the mucous membrane layer that contains capillaries close to the skin's surface. The blood in these capillaries makes your lips appear red.

please chose me!(+﹏+)~狂晕

參考: http://www.sharecare.com/question/why-are-lips-red

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Chan

2011-07-13 8:16 pm

The skin that makes up your lips isn't actually red. There are three layers of nearly translucent skin that form your lips. Beneath them is the mucous membrane layer that contains capillaries close to the skin's surface. The blood in these capillaries makes your lips appear red.

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