Frogs use their eyes to push food down while swallowing.

You may have noticed that frogs close their eyes when swallowing. But here’s a twist: according to this study that has been making the rounds on teh interwebs, they are doing more than just blinking. Here, scientists used X-rays to film frogs while they were chowing down on crickets. It turns out that while swallowing, a frog’s eyes actually retract down towards its esophagus. Not only that, but eliminating the ability of the frog to retract its eyes nearly doubles the number of swallows it

Leave a Reply