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Arrange the following events in the proper sequence:
1) Efferent neuron reaches threshold and fires an action potential.
2) Afferent neuron reaches threshold and fires an action potential.
3) Effector organ responds by performing output.
4) Integrating center reaches decision about response.
5) Sensory organ detects change in the environment.
Gaseous Reaction
A chemical reaction that involves substances in the gas phase.
Final Mixture
The end product of a process in which two or more substances are combined, yielding a uniform composition throughout.
Reactants
Components initially present when a chemical reaction begins, that are absorbed in producing the end results.
Product Volume
The quantity of product generated in a chemical reaction measured in units of volume.
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