Digestive system quiz Flashcards

1
Q

What is elimination?

A

The expulsion of undigested food or body wastes

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2
Q

What is mastication?

A

The process of chewing

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3
Q

What is chyme?

A

A creamy, fluid mixture of food and gastric juices

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4
Q

What is digestion?

A

A process in which the body breaks down carbohydrates, proteins, and fats into substances that you cells can absorb and use

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5
Q

What are the 11 parts of the digestive system?

A

Stomach, small intestine, large intestine, gallbladder, pancreas, esophagus, mouth, liver, pharynx, anus, and rectum

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6
Q

What is another name for an intestine?

A

Colon

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7
Q

How long is the small intestine?

A

23 feet

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8
Q

How long is the large intestine?

A

5 feet

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9
Q

Why is the small intestine called “small” when it is longer than the large intestine?

A

The large intestine is thicker than the small intestine

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10
Q

The 11 parts of the digestive system make up the…

A

Alimentary canal

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11
Q

What is the alimentary canal?

A

A tubelike passage that is 30ft in length

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12
Q

Where does the alimentary canal start and end?

A

Mouth to anus

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13
Q

The mouth contains how many salivary glands?

A

3 glands

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14
Q

What is amylase?

A

A digestive enzyme which helps break down complex carbs and starches

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15
Q

What is enzyme?

A

A protein that increases the rate of chemical activities in the body

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16
Q

What in your mouth help break down food?

A

Teeth, tongue, and saliva

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17
Q

How many permanent teeth are there?

18
Q

What are incisors?

A

Your front teeth that bite and cut food

19
Q

What do cuspids teeth do?

A

Rip and tear food

20
Q

What are the three nicknames for your cuspid teeth?

A

Canines, fangs, and eye teeth

21
Q

What do bicuspids teeth do?

A

Crush food

22
Q

Bicuspids are known as?

23
Q

What are molars?

A

Your back teeth that grind teeth

24
Q

What is the pharynx?

A

A short muscular tube that serves as an opening to both digestive and respiratory systems

25
What is an esophagus?
A tube that is 12 inches in length that transports food to the stomach by way of peristalsis
26
What is peristalsis?
Wave-like contractions that relax and contract muscles to keep food moving toward the stomach
27
The entrance to the stomach is controlled by a ring shaped muscle called a..?
Sphincter
28
What is a sphincter?
A muscle that controls the movement of food from one part of the Alimentary canal to the other
29
The what is lined with muscle layers and looks like a boxing glove?
Stomach
30
The muscle layers in the stomach contract and relax and do what to food?
Squeeze and churn
31
Muscles churn and squeeze food that goes into?
A thick soup called chyme
32
What does peristalsis do?
Moves small amounts of chyme out of the stomach and into the small intestine
33
How many hours does it take peristalsis to move chyme?
1 to 2
34
The stomach contains glands that produce...?
Hydrochloric acid and pepsin
35
What does hydrochloric acid do?
Dissolves minerals
36
What does pepsin do?
Breaks down proteins
37
Sphincters are located?
Upper part of the stomach, lower part of the stomach, the anus, and one in the urinary bladder
38
The first ten inches of the small intestine is called the...?
Duodenium
39
The duodenium is where?
Most chemical digestion takes place
40
What is bile?
A yellow green bitter fluid important in the breakdown and absorption of fats