It is the red liquid that circulates in our bodies. It carries oxygen and carbon dioxide from the tissues in our body.


Fun Fact:

Not all blood is red. While humans have red blood, a lot of animals have varying colors. Spiders and octopuses have blue blood. Some worms have green blood. Marine worms have green blood, and insects have yellow.

Example Sentence:

章鱼的血液是蓝色。

Zhāngyú de xiěyè shì lán sè.

The octopus’s blood is blue.