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Movement across a concentration gradient, meaning moving of compounds from an area where there is a lot the compound to an area where there is little or none of it.

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Give examples of diffusion in the human body?

Examples of diffusion in the human body include the exchange of oxygen and carbon dioxide in the lungs, the movement of nutrients from the small intestine into the bloodstream, and the transfer of waste products from the bloodstream into the kidneys for filtration.


What are examples of diffusion in the human body?

Examples of diffusion in the human body include the exchange of oxygen and carbon dioxide in the lungs, the movement of glucose from the bloodstream into cells for energy production, and the movement of waste products like urea from cells into the bloodstream for excretion by the kidneys.


Is excretory system osmosis or diffusion?

The excretory system involves diffusion and osmosis. Diffusion helps in the movement of waste products across cell membranes, while osmosis regulates the balance of water and solutes in the body to maintain proper fluid levels for excretion. Together, these processes play a crucial role in eliminating waste from the body.


One process in which materials are exchanged between the blood and the body cells is?

Exchange of materials between the blood and body cells occurs through the process of diffusion. Nutrients, waste products, gases (such as oxygen and carbon dioxide), and other molecules move across cell membranes to maintain homeostasis within the body. This exchange is essential for delivering nutrients to cells and removing waste products from the body.


What are diffusions of particles through protein channels called?

Diffusion of particles through protein channels is called facilitated diffusion. This process allows specific molecules or ions to pass through the cell membrane with the help of transport proteins.