Brainscape's Knowledge GenomeTM

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


See full index

Digestive system > Human Digestive system > Flashcards

Human Digestive system Flashcards

1
Q

what is alimentary canal?

A

LOng tube
which connects external environment
can fulfill steps of holozoic mode of nutrition

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

3 associated glands of human digestive system.

A
  1. Salivary glands
  2. pancreas
  3. liver
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Parts of the human digestive system

A
  1. Oral cavity
  2. Pharynx
  3. esophagus
  4. Stomach
  5. Small intestine
  6. Large intestine
  7. Rectum
  8. Anus
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What do oral cavity has?

A
  1. Teeth
  2. toungue
  3. salivary glands
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What are carried out inn the oral cavity?
(steps of holozoic nutrition)

A
  1. Ingestion
  2. Initial steps of digestion
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What type of digestion are carried out in the mouth?

A

MEchanical and chemical.

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

What do palate does?

A

Seperates Oral cavity from the nasal cavity

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

ANterior and posterior parts of palate are?

A

Anterior - bony
posterior - cartilaginous

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

from which tissue oral cavity is lined by?

A

NOn- keratinized stratified squamous

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

What are the 4 types of teeth in mouth

A
  1. molar
  2. premolar
  3. canine
  4. incisors
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

what is done by different shaped teeth?

A

food is
cut
mashed & ground

Makes easier to swallow and increase surface area for chemical digestion

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

Through what saliva is released in to the mouth from salivary glands?

A

through ducts

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

when saliva is released in to the oral cavity?

A

nerveous reflex due entering of food into the mouth

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

what are the other stimuli for salivation before food is ingested?

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

What are the 5 components in saliva?

A
  1. water
  2. amylase
  3. mucus
  4. buffers
  5. antimicrobial proteins
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

in the viscous mixture of mucus what are present 3.

A
  1. salts
  2. cells
  3. slippery gylcoprotein - mucin
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

into what and what polysacharides are digested into by salivary amylase?

A

into
smaller polysaccharides
disacharides (maltose)

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

What are the 3 function of water in saliva?

A
  1. Liquefy food
  2. Provide watery medium for chemical digestion
  3. aids in taste reception
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Lubrication of food bymucus makes it easier for what?

A

for swallowing

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

What are the other functions of mucus other than lubricating food?

A

Clean the mouth
Protects the lining of mouth from abrasion

21
Q

State 2 antimicrobial proteins in saliva

A
  1. immunoglobin
  2. lysozymes

Protects against bacteria that enter the mouth

22
Q

How buffers prevent tooth decaying?

A

By neutralizing acids.

23
Q

Toungue is made of which muscles?

A

skeletal muscles

24
Q

Toungue hleps to mix what?

A

Helps to mix food with saliva

25
Q

Aftr mixing food with saliva what is formed

A

makes food bolus which makes ti easier for swallowing.

26
Q

And helps to push the food bolus into where?

A
  • Posterior part of the oral cavity
  • and into the pharynx
27
Q

What is pharynx ?

A

a common passage of digestuve and respiratoy tract.

28
Q

esophagus connects which parts of the gi tract.

A

pharynx and the stomach

29
Q

in which cavity esophagus is found?

A

in thoracic cavity

30
Q

wall of esophagus has which muscles?

A

both skeletal and smooth muscles

31
Q

skeletal muscles in the uppermost region of the esophagus function in what?

A

sawllowing

32
Q

Liver

Liver is largest what in the body?

A

Largest gland in the body

33
Q

What is the nature of upper and anterior surface of the liver?

A
  1. Smooth
  2. convex
34
Q

What is the nature of posterior surface of the liver?

A

irregular in outline

35
Q

LIver contains how many lobes?

A

4

36
Q

Each liver lobe is made of what?

A

From liver lobules

37
Q

Describe liver lobules.

A
  • tiny heaxagonal shaped
  • functional unit
38
Q

from which cells liver lobules are made of?

A

from cuboidal cells called Hepatocytes

39
Q

How hepatocytes are arranged in liver lobules?

A

arranged in **pairs of coloumns **
radiating from a central vein.

40
Q

between coloumn of liver cells what runs?

A

Bile canaliculi.

41
Q

Canaliculi join upto form what?

A

Large bile canals

42
Q

whare sinusoids are located?

A

Between two pairs of coloumn of liver cells

43
Q

what are sinusoids?

A

Blood vessels with incomplete walls

44
Q

what contains in the mixture of blood that flows in sinusoids?

A

Mixture of blood from,
tiny branches of,
* hepatic artey
* hepatic portal vein

45
Q

arrangement of sinusoids allows what?

A

this allows
venous blood to mix with arterial blood
and** come into close contact with liver cells**

46
Q

where kupffer cells are present?

another name?

A

In the linig of sinusoid.

Hepatic macrophages

47
Q

blood drains from where to where thorugh sinusoids.

A

from tiny branches hepatic artery and hepatic portal vein to
**central vein **

48
Q

central veins of all liver lobule join upto form what?

A

Hepatic Vein

49
Q

In the corner of the hexagonal liver lobule what vessels are present? 3

A
  • Branch of,
    1. Hepatic artery
    2. Heaptic portal vein
    *
    3. Intralobular bile duct

Digestive system (4 decks)

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