Which of the following characteristics imparts autorhythmic cells with the ability to function myogenically? a   the have prolonged action potentials due to the action of Ca2+ which causes a plateau during depolarization   b   they have a threshold that is below their resting membrane potential   c   their action potentials are controlled by mechanically-gated ion channels instead of voltage-gated channels  d   they have If channels which increase permeability to Na+ at rest, causing depolarization to threshold   e   the rising, depolarization, phase of their action potential is due to Ca2+ influx instead of Na+ influx.

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Osmosis

In simple words, osmosis is the slow, gradual movement of a liquid through a membrane. But there are nuances to this process. For instance, there has to be an imbalance in the distribution of solute in the liquid on either side of the membrane, which has to be semipermeable. The liquid in the region with a lower solute concentration moves to the region with a higher concentration, thereby displacing the solution in the process. The objective is to equalize the concentration of molecules on both sides of the membrane; the displacement of liquid can be viewed as a byproduct of this equalization. Since there is no energy required to carry osmosis, it is considered a passive process.