Why can't humans digest grass like cows do?

Understanding Grass Digestion in Cows

Interactive Video
•
Biology, Science
•
6th - 10th Grade
•
Hard

Mia Campbell
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Humans can digest cellulose with the help of microbes.
Humans have a four-chambered stomach.
Humans lack the necessary enzymes to break down cellulose.
Humans have a neutral pH in their stomach.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of the reticulum in a cow's digestion?
It forms chunks of cud for regurgitation.
It absorbs nutrients from the grass.
It is the main site of enzyme production.
It neutralizes the stomach acid.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the partially-digested grass in a cow's stomach?
It is regurgitated and chewed again.
It is immediately excreted.
It is stored for later digestion.
It is absorbed directly into the bloodstream.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of microbes in the cow's rumen?
To absorb fatty acids.
To increase the acidity of the stomach.
To secrete enzymes that break down cellulose.
To produce oxygen for digestion.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following acids is produced during the fermentation process in cows?
Hydrochloric acid
Citric acid
Acetic acid
Sulfuric acid
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final destination of digested grass in a cow?
The cow's small and large intestines
The cow's esophagus
The cow's reticulum
The cow's bloodstream
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why can't humans use cow microbes to digest grass?
Humans can easily extract cellulase.
Human stomachs are too acidic for the microbes.
Humans have a similar pH to cows.
Human intestines can absorb cellulose.
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