Give some examples of how one body system works with another. tell how the organ is responsible for multiple functions.

Heart pumps the blood from organs and as the heart needs the oxygen so, respiratory system helps oxygen to be delivered to heart from lungs.

Nutrients are absorbed from the digestive system and absorbed in the blood.

Brain controls the heart pumping and blood pressure.

An organ is responsible for multiple function in a way that it is composed of different types of tissues and each tissue type has different functions. Like stomach has both connective tissue and smooth muscle tissue.

The stomach works with the large and small intestines to store food and waste. The stomach stores the food you take in, then goes through a process with the digestive system and waste is held in the intestines.

Explanation:

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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