Being sedentary or physically inactive increases the danger of developing hypokinetic diseases, such as type 2 diabetes. these diseases share the common feature of being

Hyperkinetic diseases are those which are caused by the too little activity and movement by the person. They are associated by the with the environmental and lifestyle factors. Insufficient movements on the part of a person may lead to their development. These diseases include conditions, such as diabetes type 2. The hyperkinetic diseases are all considered to be the chronic diseases. They posses a risk for the origin of multiple chronic diseases aling with them.

Hence, the given blank can be filled with chronic diseases.

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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multiplying and dividing the two decimals and the eqations by the same number of the overalls