Top Cells Flashcards

Cells are the basic building blocks of every living thing. It’s hard to imagine, but it’s believed that the first cells existed on earth 3.8 billion years ago. They were a simpler version of today’s cells which have evolved greatly. The vast majority of animal cells are really tiny; in fact you can’t see them with the naked eye.

Nerve cells are an exception to this and can be very long. How much do you know about cells? Do you know how many different types of cells exist in the human body? Do you know how long the red blood cells in your body live? You can find out many interesting facts about cells by taking a look at our cells flashcards which are packed full of information. 
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