Human beings, species of Homo sapiens are those animals on earth who can think, develop, make decisions, and can express their feelings in a different way. The lifespan of a human being varies from person...
Tag : Lifespan
Humans are multicellular organisms having more than 200 different types of cells with a count of up to 30 trillion cells in the body. Almost 80% of the body is made of cells and constitutes...