Here's why:
* Gravity: The weight of the food helps it move quickly down the esophagus.
* Peristalsis: The muscles in the esophagus contract rhythmically, pushing the food downwards.
* Short Travel Time: Although the neck is long, the esophagus is actually relatively short compared to the neck length.
So, the next time you see a giraffe munching on leaves, you know that food doesn't take long to get to its tummy!