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09.11.2020, adminRespiration is a process in which glucose is broken down with the class 10th ncert respiration date of oxygen and energy is released along with the production of carbon dioxide and water. Example- glucose a 6-carbon molecule breaks into pyruvate a class 10th ncert respiration date molecule and in the mitochondria pyruvate is broken down into 3 molecules of carbon dioxide and water with the release of energy.
The energy released during the process of respiration is immediately used to synthesize another molecule called as ATP. ATP is broken down into a fixed amount of energy and then drive the endothermic reactions in the cell. Youtube - Hindi. Class 10 Biology Life Processes Respiration Respiration Respiration is a process in which glucose is broken down with the help of oxygen and energy is released along with the production of carbon dioxide and water.
There are two types of respiration i aerobic respiration ii anaerobic respiration. Aerobic respiration- the process of respiration that takes place in the presence of oxygen. Anaerobic respiration- the process of respiration that takes place in the absence of oxygen.
Example- In yeast cells, glucose a 6-carbon molecule breaks into pyruvate a 3-carbon molecule and pyruvate is then converted to ethanol a 2-carbon molecule and carbon dioxide.
If there is a lack of oxygen in our muscle cells, pyruvate Ncert Solutions Of Class 10th Chapter 5 Value breaks in a different pathway. Glucose a 6-carbon molecule breaks into pyruvate a 3-carbon molecule and pyruvate is then converted to lactic acid a 3-carbon molecule along with the release of energy.
Respiration in plants Plants exchange class 10th ncert respiration date through stomata. The large inter-cellular spaces ensure that all the cells are in contact with air. Carbon dioxide and oxygen are exchanged in and out of the cells by the process of Diffusion is directed by class 10th ncert respiration date conditions and the requirements of the plants. During night, in the absence of sunlight photosynthesis do not take place and hence carbon dioxide is released but not used up by the plants.
During the day, there is no carbon dioxide release because the released carbon dioxide is used up by the plants for photosynthesis. Oxygen is released instead of carbon dioxide during the day. Respiration in animals In aquatic animals, class 10th ncert respiration date of breathing is fast due to the less amountof dissolved oxygen in water Fishes take in water through their mouths and force it to the gills from where the dissolved oxygen is absorbed by blood.
Terrestrial organisms use atmospheric oxygen and different animals use different organs for breathing. The surface of the organs is very fine and delicate and placed within the body. Passages are there in the body which takes the oxygen rich air to the area of respiration. Respiration in human beings Air is taken in through nostrils and the air is filtered while passing through the nostrils by fine hairs and mucus that line the passage.
From nostrils air passes to throat where rings of cartilages are present to ensure that air passage does not collapse. Air reaches lungs from class 10th ncert respiration date and within the lungs the passage divides into smaller and smaller tubes ending into balloon-like structure called alveoli. Network of blood vessels are present in the alveoli.
During breathing air is sucked into the lungs and fills the expanded alveoli. The oxygen in the alveolar air is taken by the blood vessels after releasing carbon dioxide collected from all the cells of the body in the alveoli. Human lungs Lungs contain a residual volume of air during the breathing cycle. Respiratory pigments present in the body take up oxygen from lungs and class 10th ncert respiration date to all the cells of the body.
Hemoglobin is the respiratory pigment of human beings present in the red blood cells which has high affinity for oxygen. As carbon dioxide is more soluble in water than oxygen so it is transported mostly class 10th ncert respiration date the dissolved form in our blood.
Class 10 Biology Life Processes.
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