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According to the pressure-flow mechanism, sugars are transported in the phloem by flowing down a gradient of turgor pressure.
Chronic Hormone Secretion
The continuous or long-term release of hormones into the bloodstream, often maintaining long-standing levels of certain hormones affecting the body's state.
Negative-feedback
A regulatory mechanism in biological systems where the output of a process inhibits or lessens the process's activity.
Neural-feedback
A process through which information about the output of a neural system is returned to it, to adjust its future output and behavior.
Positive-feedback
A biological mechanism whereby a stimulus intensifies the production of a product, leading to an amplification effect in the system.
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