Name: 為什麼血液的顏色是紅色的？| 為什麼血是紅色的？ (Why is blood red in color? | #aumsum)
Uploaded: 2021-01-14T08:10:14.000Z
Duration: 1 min 23 s
Description: 【看影片學英語】數萬部 YouTube 影片，搭配英漢字典即點即查，輕鬆掌握單字發音與用法，長久累積看電影不必再看字幕。

Our blood mainly consists of a liquid called
plasma, red blood cells, white blood cells and platelets.

However, the color of our blood is basically
because of red blood cells.

Each of the red blood cells contains hemoglobin.

When hemoglobin binds with oxygen, the interaction between them gives our blood its red color.

Moreover, like human beings, not all animals have red color blood.

This is because the blood of some animals such as octopuses, spiders, etc.

Hemocyanin is a copper containing protein.

When hemocyanin binds with oxygen, their interaction gives the blood a blue color.

The blood of some lizards has biliverdin instead of hemoglobin which give their blood a green color.

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