Why do cows chew all day?
Cows chew all day because grass is tough and takes lots of chewing.

Pip’s answer
- Cows chew all day because grass is tough and takes lots of chewing.
- A cow swallows grass, then brings it back up to chew again.
- Their tummy has four parts that slowly turn grass into food.
- Wow-ee, buddy, a cow can chew for about eight hours every day!
Try it together
Can you do a big, slow pretend chew like a cow?
For grown-ups
Cows are ruminants with a stomach divided into four parts. Grass is tough to digest, so cows swallow it, let microbes in the first chamber start breaking it down, then bring it back up as cud to chew again. A cow can spend around eight hours a day chewing cud.
Ask your child: How many times do you chew your food before you swallow?
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