A large quantity of one of the following is removed from our body by lungs:
  • a)
    CO2 and H2O
  • b)
    CO2 only
  • c)
    H2O only
  • d)
    ammonia
Correct answer is option 'A'. Can you explain this answer?
Related Test: Life Processes - 2

Class 10 Question

By Pratyus Samal · Jan 25, 2020 ·Class 10
12 Answers
Adil Dyer answered Jan 27, 2020
Co2 by exhaling , h20 by respiration's sweeting

Sunaina Singh answered Mar 14, 2020
Option B carbon dioxide only

Rocky Handsome answered Feb 13, 2020
¥¥ Carbon dioxide is produced as a waste product of respiration.

----》glucose + oxygen → water + carbon dioxide 

•A large quantity of CO2 is removed from our body by lungs.

** Water is excreted by the skin as sweat, large intestine as faeces and kidney as urine.

So the answer is 'CO2 only'.

Jithesh Joseph answered Mar 25, 2020
CO2 will be pushed out from our lungs and it passes through our nose and while we exhale it comes out so CO2 is out.
H2O Is not completely pushed out it helps in the formation of blood. So only unwanted H2O is pushed out through out urine while we sweat which is present all over our body we sweat through our sweat gland and H2O goes out through our tears.

Bhat Fayaz answered Mar 06, 2020
Lungs are for gaseous exchange...

Afzal Khan answered Apr 03, 2020
H2O only

Vemula Ravi answered Jan 25, 2020
When we breathe in oxygen we gives out carbon dioxide at the same time when we breathe out some persent of water is realesed though air.air contains 78.09% of nitrogen,20.95% of oxygen,0.93% of argon,0.04% of Carbon dioxide and small amount of other gases but when we breathe only oxygen is taken by us remaining all the air including which is already present in body(water persent)also realeased out from the body option A

Abhay Chabbra answered Feb 22, 2020
Correct answer is option 'A'

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