7th grade what-did-u-learn: the digestive system

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Which of the following is NOT a function of the digestive system? *

Digestion of food

Urination of liquid waste

Absorption of nutrients

None of the above

What is an example of mechanical digestion of food? *

Teeth breaking down a sandwich into smaller peices

Your saliva breaking down a jolly rancher into liquid sugar

Your stomach secreting enzymes to break down the jolly rancher into even smaller sugar particles

All of the above

EXPLAIN in one sentence why the stomach does CHEMICAL digestion. *

Why is it important for food to be broken down and digested?

Food is often too large to be transported throughout the body

Food contains important nutrients for the body that can't be used unless they are broken down

Much food contains sugar, which our bodies use for energy. However, our bodies can't access the sugar until the food in broken down.

All of the above

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Which of the following is NOT an organ of the digestive system? *

Stomach

Small intestine

Esophagus

Bladder

Large intestine

Where is the FIRST place where digestion occurs? *

The mouth

stomach

large intestine

small intestine

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