Because water makes everything flow to the digestive track
In turtles, the heart has two atria and a single ventricle partially divided by a wall of tissue called a septum
In crocodiles, there are two atria and two separate ventricle
They are closer to the earths core
The answer to what structures might be found in the cranial portion of the midsagittal plane is the umbilicus and the bladder also you can also find the feet and the ankles, an in the structure you can also find of course the nose and the mouth, even the hand and the feet are included.
