Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Bio 11th grade > Digestive system > Flashcards

Digestive system Flashcards

You may prefer our related Brainscape-certified flashcards:
Biology 101 flashcards
1
Q

Why do humans crave fat and sugar?

A

fatty and sweet foods were hard to find for ancestors.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is the alimentary canal and how long is it normally?

A

The complete passage from food to go from mouth to anus. Usually 30 ft

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is mechanical digestion?

A

physically breaking food

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

chemical digestion

A

chemically breaking down food..

enzymes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

inscisors

A

teeth meant to cut food into chewable pieces

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Liver

A

largest digestive gland

up and to the right of stomach

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

gallbladder

A

where liver secretions are stored

bile stored in gull bladder

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

epiglottis

A

flap of cartilage to keep food out of trachea

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

oral cavity

A

mouth and everything in mouth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

incisor

A

front tooth used for biting

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

stomach

A

the portion off the canal between esophagus and small intestine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

pharynx

A

the back of the throat

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

molars

A

back teeth that grind and crush food

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

canines

A

pointy teeth overdeveloped in vampires

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

anus

A

the opening where waste is exited

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

pancreas

A

digestive gland before the stomach

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

bolus

A

ball of chewed up food

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

salivary glands

A

digestive gland that secrete into the oral cavity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

esophagus

A

peristalsis in the walls push food to the stomach

muscular tube from pharynx to stomach

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

duodenum

A

1st ten inches of the small intestine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

sphincter

A

a ring muscles controls the movement of food moving through the alimentary canal
prevents backup

22
Q

tongue

A

taste buds

push back food

23
Q

chyme

A

semi liquid, semi digested food in the stomach

24
Q

small intestine

A

where majority of digestion occurs and absorption of nutrients

25
Q

rectum

A

last portion of alimentary canal before anus

26
Q

large intestine

A

where water is absorbed and feces created

wraps around large intestine

27
Q

at what points along the digestive systems do food molecules actually enter the body cells?

A

small intestine and large intestine

28
Q

how does the structures of the small intestine suit its function

A

has a lot of surface are for maximum nutrient absorbtion

large golds, villi and microvilli

29
Q

what are the main functions of the large intestine

A

absorbs water and breaks down cellulose

if antibiotics work to long bacteria in large intestine could die and cellulose won’t be able to break down

30
Q

What role do sphincters play

A

prevents back flow and controls flow

31
Q

what is the role of the epiglottis

A

cartilage preventing things from going down trachea

32
Q

list three digestive enzymes

A

lipase breaks down fat
amylase breaks down starch
pepsin breaks down protwin
lactase breaks down lactose

33
Q

what is the duodenum

A

first 10 inches of small intestine

combination of chime, bile, and pancreatic juice

34
Q

What are three substances that make up gastric juice

A

mucus, pepsin and hydrochloric acid

35
Q

Explain the function of the esophagus

A

carry food liquid and saliva to the stomach

36
Q

what is peristalsis and why is it important in the digestive system?

A

movement of intestine- like pulsing that moves food through intestine

37
Q

What does hydrochloric acid do in the stomach

A

helps pepsin break down proteins

38
Q

what does pepsin do in the stomach

A

mixes with hydrochloric acid to break down proteins

39
Q

what does mucus do in the stomach

A

lines the stomach so that hydrochloric acid doesn’t burn the inside of your stomach

40
Q

What causes heartburn and gerd

A

back flow of chyme into esaphogus

41
Q

What is a gastric ulcer

A

gastric juice burns through stomach lining

treat with antibiotics

42
Q

Average length of small intestine

A

20ft

43
Q

average width of small intestine

A

2.5 cm

44
Q

Juice from pancreas

A

pancreatic juice- digestive enzymes to neutralize chyme

45
Q

how long does it take for food to move through small inrestine

A

4 hours

46
Q

Juice from liver and gull bladder

A

bile

breaks down fat

47
Q

Large intestine length

A

5 ft

48
Q

average with of large intestine

A

6 cm

49
Q

Major function of large intestine

A

reabsorption of water and cellulose

50
Q

how longer material to move through large intestineq

A

12-24 hours

51
Q

how does e coli helpful to human digestion

A

breaking down cellulose

produce b vitamins and k vitamins

52
Q

appendix

A

contains white blood cells to fight disease

appendicitis is a bacterial infection in appendix

Bio 11th grade (2 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions