Most predators close their eyes when they grab prey. This is to protect the eyes. If an insect or other animal hit a frog's eyes, it could injure them. You can see other predators like sharks do the same thing.
According to exploratorium.edu, "As a frog swallows its prey, the eyes sink through openings in the skull and help force the food down the throat. This is why frogs seem to blink as they eat".
it pushes the food down it's throat
They don't need to see in order to swallow. The frogs just closes their eyes and swallows. Many animals close their eyes when they are eating live prey. They do so, in order that their prey can't injure their eyes while they are being eaten.
No it stickes
No, frogs usually close their eyes when swallowing their food. The muscles related to their eyes help them in the process of gulping food down their throat.
yes the tree frog my brother has blinks all the time
I think so they do have Compound eyes which they cannot close there eyes but when they sleep they need to rise up to the surface to get water.
Some frogs can have oxagen enter through there skin.
to apply presure on the food and to push the frog's meal down the throat.
Frogs have two sets of eyelids. The first set works much like human eyelids, for the frog closes them to shut out light and wipe its eyes clean. But when frogs dive, they close the second set of eyelids, which are transparent and enable frogs to see clearly as they swim underwater
9578. Last I checked, frogs had two eyes each. Multiply the number of frogs by 2, genius.
big eyes
No.