the heart is an organ that pumps blood throughout the body of the circulatory system, supplying oxygen and nutrients to the tissues and removing carbon dioxide and other wastes
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(jacemorris04)
The first land plants appeared around 470 million years ago, during the Ordovician period, when life was diversifying rapidly. They were non-vascular plants, like mosses and liverworts, that didn't have deep roots
Cause it's when the rain sets and the air gets in it so yeah
