Body explorer
Inside the Nile crocodile
Outside · part 1 of 5
Eyes, ears and nostrils
All on top of the head, so it can hide underwater and still see, hear and breathe.
Wow
A see-through third eyelid works like swimming goggles.3 eyelids per eye
Body explorer
Outside · part 1 of 5
All on top of the head, so it can hide underwater and still see, hear and breathe.
Wow
A see-through third eyelid works like swimming goggles.