Digestive System 29 Sep 2022

Question 1

Parts of small intestine

Answer 1

1. Duodenum
2. Jejunum
   3.ileum

Question 2

What part of intestine is highly coiled

Answer 2

ileum

Question 3

For absorbtion small intestine have

Answer 3

Great surface area

Question 4

What cause great suface area in small intestine..

Answer 4

Length of intestine
Villi and microvilli

Question 5

Part of large intestine and why it is called as large

Answer 5

Caceum
Colon
Rectum
Large intestine is called as large intestine bcz it have large diameter

Question 6

What opens in caecum name the junction too

Answer 6

ileum opens in caecum
ileocecal junction

Question 7

ileocaecal junction is guraded by

Answer 7

ileocaecal valves

Question 8

In what organisms caceum is highly developed and in what organisms it’s just vestigial

Answer 8

Rabbit developed
Humans vestigial

Question 9

What part of large intestine have some symbiotic microorganisms

Answer 9

Caceum

Question 10

What is vermifor appendix and where it present

Answer 10

Tubular,finger like projection 2cm below caceum
Vestigial in human

Question 11

What opens in colon

Answer 11

Caceum opens in colon

Question 12

Parts of colon

Answer 12

1. Ascending
2. Transverse
3. Descending
4. Sigmoid - s shaped

Question 13

What is taeniae coli and where it is present

Answer 13

3 ribbon like muscles present inside the large intestine , longitudinal

Question 14

What is haustra in what causes haustra in large intestine

Answer 14

Bag like structure which is caused by taeniae coli

Question 15

What do rectum do

Answer 15

Store waste food faeces in it for excretion

Question 16

What part of anus is voluntary and what’s not

Answer 16

External is voluntary whereas internal is not

Question 17

What are the 4 layers of alimentary canal

Answer 17

Serosa- outermost
Muscles - longitudinal
Circular
Submucosa
Mucosa

Question 18

What is serosa made up of

Answer 18

Mesothelium

Question 19

In oesophagus the outermost layer is.of.

Answer 19

Wfct+ areolar connective tissue aka tunica adventitia

Question 20

There are two muscle layer present in all alimentary canal but what have 3 exceptionally

Answer 20

Stomach bcz it needs more muscles for movement
The extra muscular layer is oblique muscle

Question 21

In alimentary canal where the thickness is min and where it is max

Answer 21

Minimum - rectum
Max- stomach

Question 22

Submousa is made up of and what it have for nutrition

Answer 22

Loose connective tissue and it have lymph nodes, blood vessels and nerves for signals

Question 23

What does mucosa secret and what it helps in

Answer 23

Mucosa secret mucous help in lubricantion of food (soften)

Question 24

In stomach mucosa form

Answer 24

Gastic rugae
Gastic glands

Question 25

In intestine mucosa form

Answer 25

Villi

Question 26

All villi have what and what it do

Answer 26

Microvilli and it increases the surface area of intestine

Question 27

What structure is present at base of villi in intestine

Answer 27

Crypt of liberkuhn