Which scientific phenomenon is involved when....
(a). Fragrance spreads in the house at the time of cooking of food in the kitchen ?
(b). Exchange of gases occurs across the respiratory surface ?
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(a) Fragrance spreads in the house at the time of cooking of food in the kitchen ?
The phenomena is known as diffusion. Diffusion is the process where molecules tend to spread out to occupy space that is available. This process involves the movement of molecules from a region of high concentration to a region of low concentration.
This is why the fragrance spreads in the house from the kitchen which is the region of high concentration to the other rooms which are regions of low concentration.
(b). Exchange of gases occurs across the respiratory surface?
The process involved in exchange of gases is known as Diffusion. Diffusion which is the spreading of molecules from a region of high concentration to a region of low concentration take place at the respiratory surface.
Oxygen is level in the blood is low while the carbon dioxide level in the blood is high. When these two gases come together across the respiratory membrane gaseous exchange takes place rapidly along these concentration gradients.
The phenomena is known as diffusion. Diffusion is the process where molecules tend to spread out to occupy space that is available. This process involves the movement of molecules from a region of high concentration to a region of low concentration.
This is why the fragrance spreads in the house from the kitchen which is the region of high concentration to the other rooms which are regions of low concentration.
(b). Exchange of gases occurs across the respiratory surface?
The process involved in exchange of gases is known as Diffusion. Diffusion which is the spreading of molecules from a region of high concentration to a region of low concentration take place at the respiratory surface.
Oxygen is level in the blood is low while the carbon dioxide level in the blood is high. When these two gases come together across the respiratory membrane gaseous exchange takes place rapidly along these concentration gradients.
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