WTF Fun Fact – Hemolymph Not Blood

Arachnids, crustaceans, and insects do not contain blood but hemolymph instead. In the case of insects, hemolymph does not play an important role in oxygen transport. Some common uses are: creating a hydraulic system, autohemorrhaging, and gluing themselves to other animals. – WTF Fun Facts

Source: https://www.scientificamerican.com/article/how-is-bug-blood-differen/

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