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1.2 Health Science > Digestive System > Flashcards

Digestive System Flashcards

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1
Q

What are the stages of digestion?

A

Ingestion, mechanical digestion, chemical digestion, movements, absorption, elimination

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2
Q

What is Gastritis?

A

Inflammation of the stomach

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3
Q

What is anorexia?

A

Chronic appetite loss

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4
Q

What is nausea?

A

Unpleasant feeling that may lead to emesis

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5
Q

What is emesis?

A

Vomitting

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6
Q

What is ingestion?

A

Food enters through mouth

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7
Q

What is mechanical digestion?

A

Large pieces of food broken down to smaller pieces - chewing in mouth, churning in stomach

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8
Q

What is chemical digestion?

A

Hydrolysis of food molecules - enzymes, acids

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9
Q

What are movements?

A

Peristalsis - wave-like muscular contractions move food through GI tract

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10
Q

What is adsorption?

A

Food molecules pass into blood and lymph in the small intestine

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11
Q

What is elimination?

A

Undigested food removed as faeces

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12
Q

What are the organs of the GI tract?

A

Mouth, pharynx, larynx, oesophagus, stomach, small intestine, large intestine, anus

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13
Q

What are the accessory organs?

A

Salivary glands, livers, pancreas, gallbladder, tongue

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14
Q

What occurs in the mouth?

A

Saliva moistens food and begins to break down starch

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15
Q

What occurs in the oesophagus?

A

Peristalsis moves food to the stomach

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16
Q

What occurs in the stomach?

A

Produces acid and enzymes

17
Q

What occurs in the pancreas?

A

Produces food and metabolised food (small intestine)

18
Q

What occurs in the liver?

A

Produces bile, digests fats and vitamins

19
Q

What occurs in the gallbladder?

A

Stores bile between meals

20
Q

What occurs in the small intestine?

A

Make digestive juices, mix with bile and pancreas enzymes, breakdown of food molecules, absorption of water

21
Q

What occurs in the large intestine?

A

Water absorption, Vitamin K production, waste becomes stool

1.2 Health Science (28 decks)

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