Question

this boomslang snake is swallowing a frog.
boomslang snakes can use their fangs to inject venom into their prey. but like other snakes, boomslang snakes do not have teeth that they can use to chew their food.
instead, snakes swallow their prey whole. snakes have a flexible esophagus that helps them take in whole food.
how does a flexible esophagus help a snake take in whole food?
a flexible esophagus can stretch around whole prey and push the prey from the stomach to the small intestine.
a flexible esophagus can digest whole prey quickly.
a flexible esophagus can stretch around whole prey and push the prey from the mouth to the stomach.

Explanation:

Answer:

A flexible esophagus can stretch around whole prey and push the prey from the mouth to the stomach.