stomata in leaf root hairs in roots and lenticels in the work of stem and roots help in gaseous exchange in France to simple process of diffusion.
Aquatic animals life process take oxygen dissolved in water and respire through their gills.
In earth warm skin serves the respiratory organ.
Land animals have lungs as the main respiratory organ.
Intex fruit tracheal respiration which take place through a network of air tools called trachea.
Human respiratory system has nostrils Nestle cavities.
inflation occurs due to expansion of thoracic cavity due to contraction of diagram and rape muscles resulting in a decrease air pressure inside.
Gaseous exchange take place between alveoli of lungs and the surrounding blood capillaries due to difference in concentration of Oxygen and carbon dioxide.
oxygen from lungs is transported by blood of tissues that also transports carbon dioxide from tissues to lungs.
respiration is a two step process first step is beating leading the application and second sister is oxidation of food molecules in the accompaniedwith release of energy.
glucose molecule is broken down to period or pyruvic acid by the process of glycolysis in the cytoplasm utilising oxygen.
oxygen from lungs is transported by that of 2 teaser that also transport carbon dioxide from tissue to lungs.