Ask a Doubt
Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 11-science Answered

What is fibrosis and how is it caused?  
Asked by Topperlearning User | 14 Jun, 2016, 10:49: AM
answered-by-expert Expert Answer

Fibrosis is the uncontrolled proliferation of fibrous tissue which causes serious lung damage. Long exposure to dust particles weakens the defence mechanism of the body causing fibrosis.

 

Answered by | 14 Jun, 2016, 12:49: PM
Multiple Choice Questions Practice Test
Answered Unanswered My Questions My Answers
CBSE 11-science - Biology
Name the region present in the central nervous system which regulates respiration.
Asked by Topperlearning User | 18 Jul, 2014, 02:20: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Biology
In which parts of the central nervous system is the respiratory rhythm centre located?
Asked by Topperlearning User | 18 Jul, 2014, 02:20: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Biology
Name the part of the CNS which regulates the functions of the respiratory rhythm centre.
Asked by Topperlearning User | 18 Jul, 2014, 02:20: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Biology
Where is the pneumotaxic region located in the brain?
Asked by Topperlearning User | 18 Jul, 2014, 02:20: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Biology
Name the two blood vessels which recognise the changes in H+ ions and CO2.
Asked by Topperlearning User | 18 Jul, 2014, 02:20: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Biology
Name one disorder caused by cigarette smoking.
Asked by Topperlearning User | 18 Jul, 2014, 02:20: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Biology
What is fibrosis and how is it caused?  
Asked by Topperlearning User | 14 Jun, 2016, 10:49: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Biology
Write the effects of the following disorders on the human body:     Asthma   Emphysema
Asked by Topperlearning User | 14 Jun, 2016, 10:48: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Biology
Define rhythmicity centres.
Asked by Topperlearning User | 14 Jun, 2016, 11:31: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Biology
How is the rate of breathing controlled by chemical control?
Asked by Topperlearning User | 14 Jun, 2016, 11:35: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
My Class Videos Tests ₹ Plans Ask a Doubt
Get Latest Study Material for Academic year 24-25 Click here
×