Respiration class 11 cbse

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created 6 weeks ago by Aadds1818
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class 11 cbse
updated 5 weeks ago by Aadds1818
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zoology
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1

Larynx is made up of

Cartilage

2

Larynx is called [2]

1. sound box

2. cartilaginous box

3

Common passage for food and air

pharynx

4

We have a pair of _1 opening out above the upper lips. It leads to a _2 through

the _3.

1 external nostrils

2nasal chamber

3 nasal passage

5

Function of larynx

sound roduction

6

4 words to describe epiglottis

thin

elastic

cartilaginous

flap

7

covering of glottis

Epiglottis

8

The pharynx opens through the _1 region into the trachea

larynx

9

Trachea is a _1 tube extending up to the _2 which divides at the level of _3 thoracic vertebra into the _4 and _5.

1. straight

2 .mid thoracic cavity

3. 5th

4. right primary bronchi

5 .left primary bronchi

10

Incomplete cartilaginous are present where

trachea,

primary, secondary and tertiary bronchi

initial bronchioles

11

function of incomplete cartilaginous rings

support

12

Lungs consist of

branching network of bronchi

bronchioles

alveoli

13

covering of lungs and fluid present

double layered pleural covering with pleural fluid in between

14

function of pleural fluid

reduce friction on lung surface

15

Conducting part of human respiratory system

external nostrils up to terminal bronchioles

16

Respiratory or exchange part of Human Respiratory system

Alveoli and alveolar ducts

17

Functions of conducting part

1. transport atmos. air to alveoli

2.humidify

3. clear foreign particles

4.bring air to body temp.

18

function of respiratory part

site of actual diffusion of O2 and CO2 b/w blood and atmos. air

19

Lungs are situated in _1 which is anatomically an _2.

1. thoracic chamber

2.air tight chamber

20

thoracic chamber is surrounded 1. dorsally 2.ventrally 3.laterally

4.lower side

1. vertebral column

2. sternum

3.ribs

4.dome shaped diaphragm