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Which component of plasma is the largest?
Endorphins
Natural pain-relieving and pleasure-inducing chemicals produced by the brain in response to stress, pain, or exercise, often associated with feelings of euphoria.
Selectively Permeable
Selectively permeable refers to a membrane or barrier that allows certain substances to pass through while blocking others, commonly used in biological contexts.
Negatively Charged Ions
Ions that have gained one or more electrons, resulting in a net negative charge.
Myelin Sheath
A fatty layer that encases the axons of some neurons, enhancing the speed at which nerve impulses travel.
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