Question

What is respiratory organs and explain the main function of lungs in case of respiratory ​

Answer 1

Answer:

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Lung tissue consists mainly of tiny air sacs called alveoli, which is where gas exchange takes place between the air in the alveoli and the blood in capillaries surrounding them. The respiratory system protects itself from potentially harmful substances in the air by the mucociliary escalator.

Answer 2

Respiratory Organs:-

Mechanisms of breathing vary among different groups of animals depending mainly on their habitats and level of organisation .

protozoans and lower invertebrate such responses cnidarians flatworms Exchange with by simple diffusion over their entire body .

earthworms use their most body wall insects have a network of tubes to transport atmospheric air within the body .

spiders and Scorpions have book lungs for aerial respiration .

special vascular structures called gills are used by most of the aquatic arthropods and mollusca Baras Baras colour bags called Lungs are used by Terrestrial forms of the exchange of gases .

Among vertebrate fishes and larva of amphibians use gills whereas the reptiles birds and mammals respire through lungs .

Amphibian like frogs respire through their moist skin and lungs also.

Mammals have a we developed respiratory system.

Lungs:-

• Lungs occupy the greater part of the thoracic cavity .
• Lungs are covered by a double layered pleura with pleural fluid between them .
• It reduces friction on the lungs office the outer plural membrane is in the close contact with the thoracic lining whereas the inner plural membrane is in contact with long surface the path starting with external nostrils up to the terminal bronchioles constituted the conducting part where as the alveoli and the Ducts form the respiratory or exchange part of the respiratory system .
• The conducting path transport the atmospheric air to the alveoli clears it from foreign particles humidifiers and also brings the in held a to the body temperature .
• Exchange what is the site of actual diffusion of and between blood and atmospheric air .
• The lungs are situated in the thoracic chamber which is anatomically air tight Chamber.
• It is formed formally by the vertebral column , centrally the sternum, laterally by ribs and on the lower side by the dime shaped diaphragm.Thd anatomic setup of lungs in the thorax is such that any change in the volume of thoracic cavity will be reflected in the lung cavity.
• Such an arrangement is essential for breathing , as the pulmonary volume cannot be directly altered.