Mod 11 - Overview Of The Digestive System Flashcards

1
Q

Serves to store and concentrate bile

A

Gallbladder

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2
Q

Where is hydrochloric acid produced, and what is its role?

A

Stomach - Kills bacteria in the food and makes the food acidic

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3
Q

Where is bile produced?

A

Liver

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4
Q

Main function of bile

A

Breaks down fats

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5
Q

Where does the most nutrient absorption happen?

A

Small intestine

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6
Q

Most chemical digestion happens where

A

Small intestine

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7
Q

What to enzymes are released in the mouth?

A

Amylase and lypase

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8
Q

What is the function of amylase?

A

Begins digestion of starch

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9
Q

What is the function of lipase?

A

Begins digestion of fat

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10
Q

Inner surface of the small intestine has finger–like projections called _________ Which have an extensive network of blood vessels

A

Villi

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11
Q

Digested food is passed into

A

Blood vessels

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12
Q

Undigested food is passed into

A

Large intestine

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13
Q

The muscular sphincter called ______________ Helps prevent backflow of stomach acid into the esophagus

A

Lower esophageal sphincter (LES)

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14
Q

What is the function of microvilli in digestion

A

Further increases the absorption area and produces digestive enzymes

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15
Q

What role do the two layers of smooth muscle of the muscularis play in propelling food through the digestive tract?

A

Regularly contracts and relaxes

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16
Q

Large membrane in the abdominal cavity that connects and supports internal organs

A

Peritoneum

17
Q

What is the greater omentum mainly composed of?

A

Deposits of fat

18
Q

What is another name for the mouth?

A

Buccal cavity

19
Q

What is chyme?

A

Semi-fluid mixture of small food particles and gastric juice

20
Q

What are the 6 organs of the digestive tract?

A

Mouth, esophagus, stomach, small intestine, large intestine, anus

21
Q

What are the 6 accessory organs of the digestive tract?

A

Teeth, tongue, salivary glands, liver, pancreas, gallbladder

22
Q

The esophagus lies ________ to the trachea

23
Q

The stomach contains folds in its lining called

24
Q

Where is the liver found?

A

Fills the operate abdomen below the diaphragm

25
What are the main functions of the liver?
Storing in releasing glucose, processing vitamins and minerals, filtering toxins, and recycling old blood cells
26
The pancreatic and bile ducts empty secretions into which part of the small intestine?
Duodenum
27
What are the three parts of the small intestine in order?
Duodenum, jejunum, ilium
28
How do the microvilli, the villi, and the circular folds aid in digestion?
Increase its surface area and enhance the absorption of nutrients