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PJ's Biology > Digestive system > Flashcards

Digestive system Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

Digestive System

A

Ingestion, Digestion, Egestion

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2
Q

Ingestion

A

Food intake

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3
Q

Digestion

A

Breaking down of ingested particle into molecules that can be absorbed

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4
Q

Egestion

A

Elimination of indigestible material

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5
Q

Two categories of digestive organs

A

Alimentary canal, Accessory organs

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6
Q

Alimentary Canal

A

Gastrointestinal tract (GI) includes food tract

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7
Q

Accessory organs

A

Organs that aid in digestion but are designed as that pathway for food (though teeth, liver, gallbladder, pancreas

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8
Q

Amylase

A

Saliva’s starch digesting enzyme…

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9
Q

Salivary glands

A

make saliva

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10
Q

Esophagus

A

digestive tract from mouth to stomach

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11
Q

Peristalsis

A

Muscle contraction of esophagus

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12
Q

Stomach

A

Muscular organ that uses digestive enzymes and hydrochloric acid to break food down into incompletely digested food

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13
Q

Stomach lining secrets…

A

mucous to protect it from acids

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14
Q

Pancreas and Gall bladder release more…

A

enzymes into small intenstines

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15
Q

Small intestine is where…

A

Most of absorption occurs in digestion

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16
Q

Small intestine has…

A

Villi

17
Q

Villi

A

provide large surface area of capillaries for absorption of nutrients

18
Q

Large intestine

A

where indigestible food proceeds to and water gets absorbed from

19
Q

waste is then passed through

A

rectum and then anus

20
Q

Ruminants

A

(cows) consume large amounts of vegetation so have several stomach chambers that store CUD that is regurgitated and chewed again

21
Q

Many invertebrates have this for digesting

A

Crop, and organs that stores food until it is processed for absorption

22
Q

Some animals only have… for digestion

A

sac-like digestive cavity

PJ's Biology (19 decks)

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