In this article we will discuss about the causes and effects of hyperpnoea mostly seen in human bodies. The term hyperpnoea means increased breathing. Any rise in the quantity of air breathed per minute is called hyperpnoea. Causes of Hyperpnoea: i. Voluntary ii. Impulses from the cerebral cortex to the respiratory centres, e.g., emotion. iii. Impulses from the hypothalamus. iv. [...]
In this article we will discuss about:- 1. Meaning of Diffusion 2. Factors Controlling Diffusion 3. Diffusing Capacity for O2 and CO2. Meaning of Diffusion: Diffusion means movement of a substance from an area of high concentration to an area of low concentration. In the present context the diffusion of O2 from alveoli to pulmonary capillaries and of CO2 in [...]
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 mm Hg in the arterial [...]