Cow swallow grass without chewing up. When it is swallowed, the grass goes
into the cow's first stomach called rumen. In the rumen, the grass is broken up by
some digestive juices and forms into a ball. The ball called cud. The cow brings
back the cud into its mouth. Then the cow chews the cud into a pulp with its back
teeth and re-swallows it.
After the cud is swallowed the second time, it goes into the cow's second
stomach called reticulum. The reticulum filters the food and takes out small stones or
any non-food matter. Then the food goes into the cow's stomach called omasum.
The orsum further filters the food. Any undigested food is sent back to the rumen.
Then the cow chews it some more. The digested food from the omasum goes into
the abomasum, the cow's fourth stomach. The digested food becomes a part of
the cow's body.
Answer the following questions:
Which is the first stage in digesting the cow's food?
What does the cow do with the cud in its mouth ?
What happens to the undigested food in the omasum ?
What happens to the digested food in the abomasum ?
Why is any undigested food sent back to the rumen ?
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Answer:
chewing
chew
collected
digested
for digestion