Answer:
To discharge energy gradually in a step-by-step process.
Explanation:
The process of cellular respiration comprises various reactions in which electrons are transferred or mediated from one molecule to another. The reactions taking part in electron transfers are called redox reactions or oxidation-reduction reactions.
With the movement of electrons the energy is released that can be captivated and is used to do work. In cellular respiration, the electrons from glucose move slowly via the electron transport chain ultimately towards oxygen that is, transferring towards lower and lower energy states and discharging energy at each stage.
Because the movements of atoms and molecules in a liquid and gas is random, over time, larger particles will disperse evenly throughout the medium.
Neurons, act as the communicators of the nervous system. Neurons receive information, integrate it, and pass it along. They communicate with one another, with cells in the sensory organs, and with muscles and glands.
Information was taken from: http://www.sparknotes.com/psychology/psych101/thebrain/section2/
In case you would like to do further reading.
The answer is B, Methane.
Explanation: long chains of carbon are in organic molecules.
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