HUMAN PHYSIOLOGY
BREATHING AND RESPIRATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Movement
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Movement of particles from a low concentration to a high concentration
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Movement of particles from a low concentration to a high concentration across a partially permeable membrane
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Movement of particles from a high concentration to a low concentration across a partially permeable membrane
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Detailed explanation-1: -“Diffusion is the movement of molecules from a region of higher concentration to a region of lower concentration down the concentration gradient.”
Detailed explanation-2: -Diffusion: Diffusion is the movement of particles from an area of higher concentration to lower concentration.
Detailed explanation-3: -This spread of particles through random motion from an area of high concentration to an area of lower concentration is known as diffusion.
Detailed explanation-4: -Diffusion is the movement of a substance from an area of high concentration to an area of lower concentration . Diffusion occurs in liquids and gases when their particles collide randomly and spread out. Diffusion is an important process for living things-it is how substances move in and out of cells.
Detailed explanation-5: -In simple diffusion, small noncharged molecules or lipid soluble molecules pass between the phospholipids to enter or leave the cell, moving from areas of high concentration to areas of low concentration (they move down their concentration gradient).