1.8 Digestion Flashcards

1
Q

Two key parts of digestion:

A

Ingestion - process of taking food into the digestive system.

Digestion - the mechanical and chemical breakdown of food.

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2
Q

Functions of Digestive System: digest/absorb

A

Digestion – breakdown of food into particles, then into nutrient molecules small enough to be absorbed.

Absorption – passage of digested nutrients and fluid across the tube wall and into the blood or lymph.

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3
Q

Functions of Digestive System: elimination

A

Expulsion of undigested and unabsorbed residues from the end of the gut (water and dietary Fibre).

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4
Q

Prebiotic’s

A

Indigestible food ingredients that act as a food source for probiotics.

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5
Q

Probiotic’s

A

Health promoting organism, e.g. bacteria & yeats, reside inside the gut.

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6
Q

Constipation

A

Hard, dry, infrequent stools

Reduced by high fiber, fluid intake, exercise

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7
Q

Diarrhea

A

Loose, watery, frequent stools

Symptom of diseases/infections
Can cause dehydration

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8
Q

Diverticulosis

A

Pouches along colon

High fiber diet reduces formation

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