The air as it enters the lungs meets with two types of resistances: 1. Elastic Resistance 2. Non-Elastic Resistance. Type # 1. Elastic Resistance: Elastic resistance is exerted by the elastic tissue of the lung parenchyma and surface tension of intra-alveolar fluid. Elastic tissues of the lungs obey Hooke’s law which means that change in […]
Types of Breathing Resistance in Human Beings | Biology
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Breathing Process in Human Beings (With Diagram) | Respiration | Biology
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The expansion of the lungs during inspiration follows the enlargement of the thoracic cavity in all its diameters by the contraction of the respiratory muscles. These are mentioned below: 1. Diaphragm: A dome-shaped muscle separating the abdominal wall from the thoracic cavity, with vertically running fibres at the periphery and horizontally running fibres at the […]
Contents of CO2 in Blood of Human Beings | Respiration | Biology
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In this article we will discuss about the contents of CO2 in blood of human beings with the help of suitable diagrams. CO2 Content and Tension of Blood: Arterial blood contains about 48 volume of CO2 and venous blood 52 volume of CO2 per 100 ml, tension of CO2 being 40 mm Hg and 46 […]
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