Answer:
1.
(of muscle action) taking place with normal contraction.
2.
denoting or relating to a solution having the same osmotic pressure as some other solution, especially one in a cell or a body fluid.
Explanation:
Answer:
An isotonic solution refers to two solutions having the same osmotic pressure across a semipermeable membrane. This state allows for the free movement of water across the membrane without changing the concentration of solutes on either side.
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