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Nervous System Pt 1 > Digestive System > Flashcards

Digestive System Flashcards

0
Q

What compose the GI tract??!

A

Mouth, pharynx, esophagus , stomach, and small and large intestine

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1
Q

A continuos tube running through the ventral body cavity and extending from the mouth to the anus - alimentary canal

A

Gastrointestinal tract (GI )

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2
Q

The teeth, tongue , salivary glands, liver, gallbladder and pancreas

A

Accessory structures

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3
Q
  • is comprised of skeletal muscle. It’s surface is covered by small bumps called papillae(taste buds )
A

Tongue

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4
Q

What are the 5 basic tastes, detected by taste buds

A

Salt, sweet, sour, bitter, umami

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5
Q

A muscular tube that connects the pharynx and the stomach

A

Esophagus

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6
Q

A bean shaped hollow organ that communicates with the esophagus and the small intestine

A

Stomach

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7
Q

Secreted by the parietal cells it begins protein digestion and helps to kills some infectious organisms

A

Hydrochloric acid

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8
Q

A hormone that stimulates secretion of Hydrochloric acid

A

Gastrin

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9
Q

An enzyme that is converted to Pepsin which further digests proteins

A

Pepsinogen

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10
Q

Necessary for the absorption of vitamin b12

A

Intrinsic factor

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11
Q

A long convoluted tube that runs from the stomach to the large intestine

A

Small intestines

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12
Q

What are the three sections of the small intestines

A

Duodenum, jejunum, ileum

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13
Q

-communicates with the stomach and is about 10inches long, chemical digestion takes place here. (bile duct)

A

Duodenum

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14
Q

The Walls of the small intestines contain finger like projections known as?
They also to serve to increase absorption of nutrients by increasing the surface area

A

Villi

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15
Q

Most nutrients are absorbed in this section of the small intestines, bc the villi are much longer.

A

Jejunum

16
Q

The final portion of the small intestines, is about 11 feet long, it’s main function is to absorb vitamin 12, bile salts, and whatever nutrients that weren’t absorbed in the jejunum.

Peyers patches are abundant

A

ileum

17
Q

The diameter is much greater, and is only 4-5 feet long

A

Large intestine

18
Q

Where the ileum and the large intestine meet up is called the

A

Cecum

19
Q

What are the 4 sections of the colon

A

Ascending colon, transverse colon, descending colon, and the sigmoid colon

20
Q

Is a worm like structure that protrudes of the cecum

A

Appendix

21
Q

Located in the right upper quadrant of the abdomen, and has four lobes, and is the second largest organ in the body.

A

Liver

22
Q

Produces bile breakdown, converts glucose into glycogen, stores vitamins and minerals, filtering harmful substances such as alcohol from the blood, building plasma proteins

A

Functions of the liver

23
Q
  • play a part in numerous critical activities including enzyme activity, immune function, blood clotting, transport of substances such as hormones and fluid balance
A

Plasma proteins

24
Q

Tucked behind the stomach, is an endocrine gland and exocrine organ.
As as endocrine gland it secretes insulin and glucagon
As an exocrine organ it secretes digestive enzymes including pancreatic amylase pancreatic lipase, trypsin though the duodenum

A

Pancreas

25
Q

A storage unit for bile which is produced by the liver

A

Gallbladder

26
Q

Is the breaking down of larger food molecules into smaller food molecules small enough for the use by body’s cells

A

Digestion

27
Q

Taking food into the body (eating)

A

Ingestion

28
Q

The intestines contract in a wave like motion to propel food through the GI tract

A

Peristalsis

29
Q

The breakdown of food by Both chemical and mechanical process

A

Digestion

30
Q

The passage of digested food from the GI tract into the cardiovascular and lymphatic systems for distribution to the cells

A

Absorption

31
Q

The elimination of indigestible substances from the gastrointestinal tract

A

Defecation

32
Q

Digestions begins in the mouth where teeth mechanically break down food

A

Mastication

33
Q

Saliva that contains an enzyme that is used to begin the chemical digestion of starch

A

Salivary amylase

Nervous System Pt 1 (8 decks)

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