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  • 1 answers

Meghna Thapar 5 years, 2 months ago (6237)

The digested food is assimilated into the body of the living organisms which is used mainly for two purposes:

  1. It is used as a fuel to get energy for various life processes.
  2. It is used as a material for the growth and repair of the body.

The process of releasing energy from food is called respiration. It involves taking in oxygen into the cells, using it for releasing energy by burning food, and then eliminating the waste products from the body.

The mechanism by which an organism obtains oxygen from the air and releases carbon dioxide is called breathing.

Difference between breathing and respiration:-

Breathing

Respiration

(i) Breathing is a simple process.

(ii) Breathing involves taking in oxygen from the air and releasing carbon dioxide into the air.

(iii) Breathing is a physical process.

(i) Respiration is a complex process.

(ii) Respiration includes breathing as well as the oxidation of food in the cells of the organism to release energy.

(iii) Respiration is a bio-chemical process.

 

The respiration takes place inside the cells of the body so it is known as cellular respiration. The energy released during cellular respiration is immediately used to synthesize a molecule called ATP which is used to fuel all other activities in the cell. In these processes, ATP is broken down giving rise to a fixed amount of energy which can drive the endothermic reactions taking place in the cell.

Diffusion is insufficient to meet the oxygen requirements of large multicellular organisms like humans because the volume of human body is so big that the oxygen cannot diffuse into all the cells of the human body quickly and oxygen will have to travel large distances to reach each and every cell of the body.

Large organisms contain a respiratory pigment called haemoglobin which carries the oxygen from the lungs to all the body cells very efficiently.
A terrestrial animal has an advantage over an aquatic animal in regard to obtaining oxygen for respiration that it is surrounded by an oxygen rich atmosphere from where it can take any amount of oxygen.

The aquatic animals use the oxygen dissolved in water to carry out respiration. The terrestrial animals obtain oxygen from air. The rate of breathing in aquatic animals is much faster than terrestrial animals because the amount of oxygen dissolved in water is low as compared to the amount of oxygen dissolved in air.

 

There are two ways in which glucose is oxidized to provide energy in various organisms:
(i) Anaerobic respiration – The respiration which takes place without oxygen is called anaerobic respiration.
Example: Yeast and some bacteria break down glucose into ethanol and carbon dioxide.

Anaerobic respiration takes place in human muscles during vigorous physical exercise because oxygen gets used up faster in the muscle cells than can be supplied by the blood.


(ii) Aerobic respiration – The respiration which uses oxygen is called aerobic respiration.
Example: Plants and animals break down glucose completely into carbon dioxide and water to release energy.

The end-products of anaerobic respiration in muscles of human beings is lactic acid and in yeast cells, ethanol and carbon dioxide are released. Carbon dioxide and water are released during aerobic respiration. Large amount of energy is released in aerobic respiration as compared to anaerobic respiration.

Difference between aerobic respiration and anaerobic respiration:

 

Aerobic respiration

Anaerobic respiration

(i) Aerobic respiration takes place in the presence of oxygen.

(ii) Complete breakdown of food occurs in aerobic respiration.

(iii) The end products in aerobic respiration are carbon dioxide and water.

(iv) Aerobic respiration produces a considerable amount of energy.

Example: Human Beings.

(i) Anaerobic respiration takes place in the absence of oxygen.

(ii) Partial breakdown of food occurs in anaerobic respiration.

(iii) The end products in anaerobic respiration are ethanol and carbon dioxide (in yeast) and lactic acid (in animal muscles).

(iv) Much less energy is produced in anaerobic respiration.

Example: Yeast.

 

  • 1 answers

Sia ? 4 years, 8 months ago (6945213)

The lesson “Black Aeroplane” which is written by Frederick Forsyth that reflects on how one’s judgment gets distorted due to fantasizing and how to creates its problems. In this chapter, the narrator who is a pilot who is eager to meet his family and have a good breakfast that he takes the wrong decision of facing the storm instead of doing the right thing. So, The message that is the narrator who wants to give to the readers through the lesson "The Black Aeroplane" - In my opinion, we should not lose our hope in trouble.

  • 2 answers

Arati Devakki 5 years, 3 months ago (9695227)

10

Virinda Bhardwaj 5 years, 3 months ago (9895148)

10
  • 1 answers

Krishna Gupta Gupta 5 years, 3 months ago (9199571)

So here are the 5 basic concepts of any programming language: Variables Control Structures Data Structures Syntax Tools
  • 2 answers

Kalpana Rajesh 5 years, 1 month ago (8849433)

??

Abu Dhabi 5 years, 3 months ago (9636851)

man this is such a simple question you can't ask this and have taiz
http://mycbseguide.com/examin8/
  • 0 answers
  • 5 answers

Adyanshu Arpan Pany 5 years, 2 months ago (9263436)

No day.

Devajyoti Mandal 5 years, 2 months ago (9583110)

Sheth Khet mein Kisi bhi nahin Aaya hoga

Vaishnavi Sharma 5 years, 2 months ago (9828621)

3

Dj Alok Dj Alok 5 years, 3 months ago (9889412)

Hii

Srushti Valsangkar 5 years, 3 months ago (9823417)

पहले दिन
  • 4 answers

Vidisha Sonawane 5 years, 2 months ago (9737709)

Evaporation

Vaishnavi Sharma 5 years, 2 months ago (9828621)

Salt is obtained from sea water by the process of evaporation

Lav Bal 5 years, 3 months ago (9894883)

evaporation

Umang Rao 5 years, 3 months ago (9806230)

Toppr
  • 3 answers

Aahana Ranjan 5 years, 1 month ago (10206303)

Sahi answer hai ???

Dhurvitukaram Vaidya 5 years, 2 months ago (9415505)

Hay

Adyanshu Arpan Pany 5 years, 2 months ago (9263436)

Afti ko pata chal gaya ki shet ne usey ulu banaya so usney kapera ko almari mein band kar diya.
  • 1 answers

Tec Om 5 years, 3 months ago (7036201)

it will give you 5 only as an output
  • 1 answers

Anshu Anshumann 5 years, 2 months ago (9515942)

❤???????❣?????☸??☮✝☪?☸✡??☯??⛎♌♌♍♉♎♏♐♑♓♓?♎⚛?☢☣??✴???‍?????????
  • 1 answers

Sia ? 4 years, 8 months ago (6945213)

The lesson “Black Aeroplane” which is written by Frederick Forsyth that reflects on how one’s judgment gets distorted due to fantasizing and how to creates its problems. In this chapter, the narrator who is a pilot who is eager to meet his family and have a good breakfast that he takes the wrong decision of facing the storm instead of doing the right thing. So, The message that is the narrator who wants to give to the readers through the lesson "The Black Aeroplane" - In my opinion, we should not lose our hope in trouble.

  • 1 answers

Yogita Ingle 5 years, 3 months ago (2577571)

Rigidity is defined as the property exhibited by the solid to change in its shape.

  • 2 answers

Sakshi Jagtap 5 years, 3 months ago (8544477)

If u need big defination than ---> A Modal verb is a type of verb that is used to indicate modality – that is: likelihood, ability, permission, request, capacity, suggestions, order, obligation, or advice.

Sakshi Jagtap 5 years, 3 months ago (8544477)

Modals are special verbs which behave irregularly in English.
  • 1 answers

Yogita Ingle 5 years, 3 months ago (2577571)

When Franz was passing the town hall he witnessed that there was a great bustle near the bulletin board. The noise of the people was clearly heard on the street. Although it was the day was Sunday still there were none enjoying, neither the melody of the unison was audible. For his astonishment, Franz found that his classmates were sitting very quietly on their seats. The great ruler of the teachers' was also unusually kept under M.Hamel's arm instead of being rapped on the table.  

  • 2 answers

Deepak Kumar Meena 5 years, 2 months ago (11283238)

Languistic chauvinism and love for our mother tongue

Yogita Ingle 5 years, 3 months ago (2577571)

Themes which are prevalent in "The Last Lesson" by Alphonse Daudet are love for own's mother tongue, freedom of language and patriotism.

The Prussians denied the freedom to the people Lorraine and Alsace to learn their own language.

The colonizers take way the right of the people. This story stresses the importance of education and one should respect their own language. The practice of linguistic chauvinism is highlighted in this story to draw our attention. It focuses on disregarding other languages and taking pride in own mother tongue or language.

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  • 5 answers

King Adithya H M... 5 years, 3 months ago (9827241)

604,661, 760

Meetu Gupta 5 years, 3 months ago (6753709)

6³=216

T.Saahid Thonduru 5 years, 3 months ago (9128942)

Hi can u tell me ir number sandhya

Akash K 5 years, 3 months ago (9765653)

Thanks for answering all my questions yogita ingle

Yogita Ingle 5 years, 3 months ago (2577571)

This is related to concept of numbers in the unit digits place of the power of natural number.

The power of 6 any index repetation 6

i.e (6)(anypower................)  the last digit will be 6 only.

Example

1) 61=6

2) 62 = 36

3) 6= 216

So, the last digit in the expansion of 6100 is 6.

  • 1 answers

Shashi Ramachandran 5 years, 3 months ago (5542514)

Outstanding expenses -------Liability decrease ------------profit ------------ Cr. side of Revaluation A/c

Note: Revaluation is nominal account. Nominal Account rule says 'Debit all losses and expenses and Credit all gain & income'

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