... the brains, which are responsible for communication information throughout the brain and the body. It is a simple process in which the brains consists of nervous cells called neurons which pass notes to control everything in the body. The neurotransmitter sends messages from neuron to neuron which consequently determines our emotions and feelings and positive or negative moods. The brain uses neurotransmitters ... of norepinephrine are associated with problems with the sleep cycle, less focusing ability and low levels of energy. 5) What is the chemistry behind happiness and what are the...

• Word Count: 2870
• Approx Pages: 11
• Has Bibliography
• Grade Level: Undergraduate