Digestive system Flashcards

Learn about the digestive system parts and functions

1
Q

It refers to the process of breaking down foods into smaller substances so they can be easily absorbed by the body.

A

Digestion

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2
Q

What are the two types of digestion?

A

Mechanical and Chemical

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3
Q

Where does the first stage of digestion start?

A

Mouth

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4
Q

This is responsible for mastication

A

Teeth

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5
Q

Perceives taste and helps mix food with saliva

A

Tongue

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6
Q

This releases enzymes called salivary amylase

A

Salivary Glands

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7
Q

Where food and air pass?

A

Pharynx

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8
Q

This is where air passages

A

Larynx

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9
Q

What is the structure above the pharynx?

A

Epiglottis

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10
Q

It is 25 cm long and contracts in a wave-like motion process called Peristalsis

A

Esophagus

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11
Q

What do you call the wave-like motion process of the Esophagus?

A

Peristalsis

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12
Q

J-shaped muscle that secretes and holds gastric juices

A

Stomach

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13
Q

It is part of the gastric juices that eliminates microorganisms and softens fibrous foods

A

Hydrochloric Acid

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14
Q

An example of it is Renin and Pepsin

A

Digestive Enzymes

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15
Q

When food is mixed with gastric juices, it is called?

A

Chyme

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16
Q

It is 7-8 meters long and 4 cm wide and divided into three parts

A

Small Intestine

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17
Q

What are the three parts of the small intestine?

A

Duodenum, Ileum, Jejunum

18
Q

It is part of the small intestine that neutralizes acidic chyme

19
Q

Two parts in the small intestine that help absorb nutrients

A

Ileum and Jejunum

20
Q

Is 2 meters long and 7 cm wide and is divided into three parts

A

Large intestine

21
Q

What are the three parts of the large intestine?

A

Cecum, Colon, Rectum

22
Q

What does the Large intestine reabsorb?

A

Water and salts

23
Q

No digestion happens in this organ

A

Large Intestine

24
Q

Where does the undigested food pass?

25
Where is the undigested food stored before passed to the anus?
Rectum
26
What do you call undigested food coming out of the anus?
Feces
27
What are the processes of food digestion?
Ingestion, Digestion, Absorption, Assimilation, Excretion
28
When does the chewing of food take place in the process of digestion?
Ingestion
29
When does the digesting of food take place in the process of digestion?
Digestion
30
When does the extraction of nutrients happen in the process of digestion?
Absorption
31
When does the distribution of molecules happen in the process of digestion?
Assimilation
32
When does the release of stool happen in the process of digestion?
Excretion
33
This organ secretes bile and breaks down fats
Liver
34
This organ stores and releases bile
Gallbladder
35
This secretes pancreatic juice which is composed of enzymes that break down sugars, fats, and starches
Pancreas
36
What do you call the juice that is composed of enzymes that break down sugars, fats, and starches?
Pancreatic juice
37
Symptom wherein the frequent passing of stools happen
Diarrhea
37
Acid from the stomach enters the esophagus
Gastroesophageal Reflux Disease (GERD)
37
An inflammation in the lining of the stomach
Gastritis Ulcer
38
Discomfort felt in the upper abdomen due to eating too fast or too much
Indigestion
39
Buildup of gas in the abdomen
Flatulence
40
The inability to move bowels regularly and difficulty moving them out
Constipation