"Crying crocodile tears" refers to a person expressing insincere remorse. It's a declaring that goes back again to with regard to the sixteenth century. However, crocodiles do in actual fact produce tears, according to the Crocodilian Biology Database. Another intriguing adaptation

As apex hunters, crocodiles need to acquire robust enamel but it surely isn’t just about their power, the shape of your enamel is just as significant. Previously on this page, I mentioned countercurrent heat Trade. This involves veins managing together with each other, one containing he