Where would you most likely find specialized cells

Nerve cells, blood cells, and reproductive cells are examples of specialized cells.

Explanation:

Specialized cells make up tissues, tissues make up organs, and organs make up the systems that work together to make up our bodies. Nerve cells, blood cells, and reproductive cells are examples of specialized cells.

the answer that best describes the relative refractory period in the neuron is the resting membrane potential is restored, but concentrations of sodium and potassium are not restored to their original state.

the refractory period is the time during which another stimulus given to the neuron will not lead to a second potential. thus, because na+ channels are inactivated during this time, additional depolarizing stimuli do not lead to new action potentials.  

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lizards have adapted to life in the desert. some desert lizards have toes with spiny scales to them run across the sand without sinking. some use the sand to hide from predators, or to search for small animals that they prey upon.