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biology topic - Coggle Diagram
biology topic
transport in cells
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osmosis
diffusion of water molecules from a region where the water molecules are in higher concentration, to a region where they are in lower concentration, through a partially permeable membrane.
dynamic equilibrium is when the net movement of particles is zero. this does not mean the particles themselves stop moving, only that the general movement is balanced.
control of blood sugar
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diabetes
type 1 is caused when the pancreas cannot secrete substantial levels of insulin to reduce blood sugar
to combat this, patients have to manually inject insulin after eating so that they can maintain their blood sugar level
they can also combat this by exercising, which decreases sugar levels through increased respiration which uses up glucose
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xylem + phloem
xylem cells construct the stem of a plant. they transport water from the roots to other plant organs, such as the leaves.
adaptations:
the cell barriers are waterproof, reducing loss of water via osmosis outside of the plant.
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