Скачать или смотреть Life Processes | Respiration | Difference Between Breathing And Respiration | Class 10

Life Processes | Respiration | Difference Between Breathing And Respiration | Class 10

Hello Students
This is Rajesh Sir from Scientia Classes.

In this Video We Have Discussed about the second important life processes respiration of class 10 biology.
What is the difference between breathing and respiration ?
Respiration is a process in which oxidation of food takes place to release tremendous amount of energy.
As we know that in our daily activities energy is consumed.
This energy comes from break down of food materials.
Respiration is of two types -
1) Aerobic Respiration
2) Anaerobic Respiration
Breathing is a physical process in which only exchange of gases takes place.
In Breathing No energy is formed.
Breathing takes place out side the cell.

The food material taken in during the process of nutrition is used in cells to provide energy for various life processes. Diverse organisms do this in different ways – some use oxygen to break-down glucose completely into carbon dioxide and water, some use other pathways that do not involve oxygen. In all cases, the first step is the break-down of glucose, a six-carbon molecule, into a three-carbon molecule called pyruvate. This process takes place in the cytoplasm. Further, the pyruvate may be converted into ethanol and carbon dioxide. This process takes place in yeast during fermentation. Since this process takes place in the absence of air (oxygen), it is called anaerobic respiration. Break-down of pyruvate using oxygen takes place in the mitochondria. This process breaks up the three-carbon pyruvate molecule to give three molecules of carbon dioxide. The other product is water. Since this process takes place in the presence of air (oxygen), it is called aerobic respiration. The release of energy in this aerobic process is a lot greater than in the anaerobic process. Sometimes, when there is a lack of oxygen in our muscle cells, another pathway for the break-down of pyruvate is taken. Here the pyruvate is converted into lactic acid which is also a three-carbon molecule. This build-up of lactic acid in our muscles during sudden activity causes cramps. The energy released during cellular respiration is immediately used to synthesise 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. ATP ATP is the energy currency for most cellular processes. Since the aerobic respiration pathway depends on oxygen, aerobic organisms need to ensure that there is sufficient intake of oxygen. We have seen that plants exchange gases through stomata, and the large inter-cellular spaces ensure that all cells are in contact with air. Carbon dioxide and oxygen are exchanged by diffusion here. They can go into cells, or away from them and out into the air. The direction of diffusion depends upon the environmental conditions and the requirements of the plant. At night, when there is no photosynthesis occurring, CO2 elimination is the major exchange activity going on. During the day, CO2 generated during respiration is used up for photosynthesis, hence there is no CO2 release. Instead, oxygen release is the major event at this time. Animals have evolved different organs for the uptake of oxygen from the environment and for getting rid of the carbon dioxide produced. Terrestrial animals can breathe the oxygen in the atmosphere.

Class 10 Biology
Chapter 6 - Life Processes
Topics covered in this video -
Definition of Respiration
Definition of Aerobic Respiration
Definition of Anaerobic Respiration
Break-down of glucose by various pathways
Human Respiratory System Respiration in plants
Difference between Breathing and Respiration
CBSE Class 10 Chapter 1: Life Processes
1. Nutrition
2. Respiration
3. Transportation
4. Excretion
Scope of the session: -
Life Processes NCERT Class 10
Respiration VS Breathing
Purpose of Respiration
Purpose of Breathing
Respiration vs Digestion (Difference between respiration and digestion)
Purpose of Digestion
Respiratory substrates, Glucose, raw materials of energy
Photosynthesis vs Respiration
Purpose of Photosynthesis
Endergonic vs Exergonic
Bi-products
Co2, Carbon Di Oxide, Food, Oxygen
Metabolic activity, anabolic activity
Chloroplasts, mitochondria, bio-catalysts
types of respiration/ respiration types
Breathing, Exchange between lungs, the exchange between blood, cellular respiration
Aerobic Respiration, anaerobic respiration
absence of oxygen, presence of oxygen
Muscle cells
Fermentation
Life Processes Chapter 6 NCERT Class
Class 10 Biology Chapter 6
How animals respire
How humans respire
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