-advertisement-
29%

Watch this video about biology - can you answer the question?

Fact Lab

Check out this great content

Continue to play the quiz afterwards
-advertisement-

Interesting fact:

An ostrich egg can weigh up to 1.5 kilograms at a size of 15 centimetres, making it the largest cell known to exist. For comparison: most cells in the human body aren't even visible with the naked eye!