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The process of swallowing is called deglutition. It involves voluntary and involuntary muscles working together to move food or liquid from the mouth to the stomach.
The process of swallowing.
Can't answer for a crocodile - but snakes have a 'tube' that leads down to their lungs - when they're swallowing prey, the tube extends beyond the edge of the snakes mouth - and enables the reptile to breathe while swallowing.
no they swallow it whole and later it gets smaller in its stomach
Only while it is still in the mouth.
its still called food.
I would guess at chewing the food and mixing with saliva before swallowing
The esophagus. Deeply lined muscle that almost contracts and pushes food down to the stomach
Snakes usually go off their food during the shedding process - however - once the shed is complete they will readily accept food.
because many snakes kill rats for food which damage the crop.
They are called ruminants because they have a four chambered stomach (Rumen, Abomasum, reticulum, omasum), food will enter the rumen and then the animal will then (during its resting period) regurgitate the food re chewing it and then swallowing it where it then enters the remaining three stomachs (this process is called chewing cud and is repeated until all food is digested).
Snakes swallow their food whole - Take as an example a corn snake swallowing a mouse... The snake finds the mouse's head, opens it's mouth and grabs the mouse's nose. It pushes forward, stretching its jaws as it goes, until the head of the mouse is in the snakes mouth. Once the mouse's head is in the snakes throat, it's muscles grip the mouse preventing it from sliding backwards, while the snake 'walks' its jaws forward over the mouse's body. This process is repeated until the whole mouse is in the snakes throat, then muscles contract and push the mouse down to the snakes stomach.