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Flashcards in digestive system Deck (56):
1

whats the overall purpose of digestion?

take food and break it down into simple substances that your body can get it to your blood nutrients then travel to brain, heart and liver

2

whats the first stage of swallowing?

the tongue pushes food into the throat

3

whats the second stage of swallowing?

epiglottis folds over voice box at the entrance of the windpipe

4

whats the third stage of swallowing?

muscles in the esophagus contract

5

what are enzymes?

`chemicals that the body makes to speed up the breakdown of food

6

3 examples of digestive enzymes?

trypsin, lipase, lactase

7

what food is the enzyme typsin associated with?

steak

8

what food is the enzyme lipase associated with?

milk and butter

9

what food is the enzyme lactase associated with?

sugar in milk

10

whats peristalsis?

series of wave like contractions that move food through the digestive tract

11

whats chyme?

a liquid mixture

12

whats heartburn?

a form of indigestion felt as a burning sensation in the chest, caused by acid regurgitation into the esophagus

13

what is a stomach ulcer?

when mucus lining in the stomach used to keep the stomach from digesting itself becomes thin

14

symptoms of stomach ulcer?

burning pain in stomach, bleeding

15

whats the cause of a stomach ulcer?

stress or bacteria

16

whats the first step of the digestive system removing waste?

food gose into the mouth and is chewed

17

whats the second step of the digestive system removing waste?

saliva is added with food, food goes down the esophagus

18

whats the third step of the digestive system removing waste?

food moves into stomach and is mixed with stomach acids

19

whats the fourth step of the digestive system removing waste?

food is pushed into small intestines were the enzymes are added

20

whats the fifth step of the digestive system removing waste?

the food turns into molecules to send to other organs

21

whats the sixth step of the digestive system removing waste?

the bigger molecules moves to the lower bowel then out the rectum

22

whats the human digestive system?

extended tube with specialized parts between openings, the mouth and anus

23

what do proper nutrients supply your body with?

energy, amino acids, vitamins and minerals

24

what is the tongue's roll in digestion?

-have sensory taste buds that send nerve impulses to brain
- made of muscle that aids to chewing and swallowing

25

whats the teeths role in digestion?

break down the food by chewing, grinding and tearing

26

hard plate?

bony structure that forms on roof of mouth and separates mouth from the nose

27

what are the salivary glands?

parotid, submandibular, sublingual

28

what happens to food after its been chewed?

it becomes bolus

29

whats the small intestine?

small width, very long tube measures 9 feet in length when contracted

30

what are the first 9-10 inches of the small intestine? what happens??

the duodenum, this is where bile from the liver and gallbladder and pancreatic juices enter through ducts

31

what is the 8 feet section of the small intestines?

the jejunum

32

whats the last 12 feet of the small intestines called?

ileum

33

whats the large intestines?

5 feet long, 2 inches in diameter. consists of first section of cecum, the colon, sigmoid colon and rectum

34

what are the 3 sections of the colon?

ascending colon, transverse colon, descending colon

35

What is the stomach?

A thick walled J saved organ that lies on the left side of the body beneath the diaphragm

36

What does the stomachs muscular walls do during digesting

Churn food and mix it with gastric juices

37

What does HCl acid do

It kills bacteria and helps with iron absorption also it breaks down connective tissue

38

What are the folds in the stomach called

Rugae

39

What dose rugae do

Allows expansion up to one leader in stomach

40

What is an ulcer

And open sore in the stomach cause by primarily bacteria

41

Would food leaves stomach what is it turn into

Chyme

42

How long does it take for the stomach to empty

2 to 6 hours

43

What's the rectum

I near canaille called anal canal which opens to the anus

44

What's the job the large intestine

Absorb water and any remaining nutrients, store indigestible's

45

What's the liver

The largest gland in the body that secretes bile, makes blood proteins and detoxifies blood from harmful substances

46

What's the gallbladder

Small sack located under the liver that stores and concentrates bile

47

What's the Pancrease

Glandular Organ located behind the stomach that produces enzymes to digest foods

48

What's mechanical digestion?

The act of physically act of degrading food (chewing, tearing)

49

What's chemical digestion

The act of changing food into the needed basic nutrients through the influence of digestive juices and enzymes

50

What's hepatitis

Viral inflammation of the liver

51

Cirrhosis

Chronic destruction of liver cells often from alcohol abuse

52

Peritonitis

Inflammation of The abdominal Peritoneal cavity

53

Diverticulitis

Inflammation of pouches or sacks in the intestinal lining

54

Hemorrhoid

Varicose veins of rectum and anus

55

Hernia

Internal organ pushes through the abdominal wall

56

Gastroenteritis ? Cause

Inflammation of the stomach and intestines often caused by food poisoning, Toxins, infection