Digestive lecutre Flashcards

1
Q

Alimentary canal

A

mouth
pharynx
esophagus
stomach
small intestine
large intestine

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2
Q

Accessory Organs

A

teeth, salivary glands, liver, pancreas

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3
Q

6 process of digestion

A

Ingestion
Mechanical Digestion
Chemical Digestion
Propulsion
Absorption
Defecation

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4
Q

Mechanical Digestion

A

physical breakdown of food
chewing or churning in stomach

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5
Q

Chemical Digestion

A

Enzymatic breakdown by various secretion

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6
Q

Propulsion

A

skeletal and smooth muscle move food through the canal
Peristalsis- involuntary muscle contraction of smooth muscle

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7
Q

Absorption

A

transport nutrients from alimentary canal into blood or lymph

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8
Q

Defecation

A

removal of solid components and waste

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9
Q

Ingestion

A

entry of food into the alimentary canal

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10
Q

Peritoneum

A

serous membrane of abdominal cavity

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11
Q

Parietal peritoneum

A

lines abdominal wall

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12
Q

Peritoneal Cavity

A

fluid filled space between layers

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13
Q

Mesentary

A

double layer of peritoneum that anchors digestive organs

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14
Q

4 layers of alimentary canal walls

A

Mucosa
Submucosa
Muscularis
Serosa

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15
Q

Mucosa

A

Innermost layer
simple columnar epithelium
secretes digestive enzymes
absorbs nutrients from canal

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16
Q

Submucosa

A

areolar and dense irregular connective tissue
contains blood/lymph/malt to prevent microbes from being absorbed into body

17
Q

Muscularis

A

smooth muscle coordinating contractions

18
Q

Peristalsis (propulsion)

A

alternating contraction of layers propelling contents through the canal

19
Q

Segmentation (mechanical digestion)

A

mixing contents of the tract

20
Q

Serosa (Adventitia)

A

Areolar connective tissue
Visceral peritoneum found here