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Passive transports such as diffusion and osmosis move down their concentration gradients.
The ozone concentration is maintained in atmosphere by UV. They create and deplete ozone.
high Na+ concentration in the extracellular fluid; high K+ concentration in the cytoplasm
When water flows from areas of high concentration to areas of low concentration through semi-permeable membranes; down it'd concentration gradient.
It tends to eliminate local concentration gradients.
Passive transports such as diffusion and osmosis move down their concentration gradients.
high Na+ concentration in the extracellular fluid; high K+ concentration in the cytoplasm
high Na+ concentration in the extracellular fluid; high K+ concentration in the cytoplasm
Concentration gradients is a solutes. This is used in the body.
Down concentration gradients.
The heart is constantly pumping blood around the body. blood entering the lungs is deoxygenated and high in C02 The air in the alveoli has a high oxygen concentration and in comparison is low in C02 This sets up a concentration gradient. This causes oxygen to diffuse into the RBC and C02 to diffuse out in order to try balance the concentration. This balance is maintained by breathing, taking away the C02 in the lungs and bringing in fresh O2 and the constant pumping of blood, bringing more deoxygeneate blood into the lungs
Active Transport
The ozone concentration is maintained in atmosphere by UV. They create and deplete ozone.
high Na+ concentration in the extracellular fluid; high K+ concentration in the cytoplasm
To transport protein to specific areas of the cell, e.g. the synaptic terminal of a neuron's axon; and to transport ions & chemicals against their concentration gradients
When water flows from areas of high concentration to areas of low concentration through semi-permeable membranes; down it'd concentration gradient.
active transport