1.4 Digestive System Flashcards

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1
Q

What happens in the small intestine?

A

Digestion is completed and nutrience is passed through villi into the blood stream.

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2
Q

What happens in the mouth?

A

Food is chewed and mixed with saliva.

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3
Q

What happens in the stomache?

A

Food is mixed with digestive juices and stomache acid.

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4
Q

What happens in the large intestine?

A

Left over fibre, water and dead cells enterThe large intestine. Water is drained out by the large intestine leaving feces/poo.

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5
Q

What happens in the gullet?

A

Food passes down this tube.

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6
Q

What do the muscels in the gullet do?

A

The muscels in the gullet squish/push the food down the gullet and out the anus.

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7
Q

During digestion what happens to large molecules?

A

During digestion the large molecules are broken down to smaller molecules and passed into the bloodstream through the wall of the small intestine.

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8
Q

How are the small molecules passed into the bloodstream?

A

The small molecules a passed through the small intestine. The small intestine has a thin wall and it is covered with tiny structures called villi. These stick out of the wall and give it a big surface area. They also contain blood capillaries to carry away the absorbed food molecules.

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