Synapses. Where two neurones meet, there is a tiny gap called a synapse. Signals cross this gap using chemicals. One neurone releases the chemical into the gap. The chemical diffuses across the gap and makes the next neurone transmit an electrical signal.In order to see this content you need to have both Javascript enabled and Flash installed. Visit BBC Webwise for full instructions. Page: 1  1. 2  2. 3  3.here two neurones meet, there is a tiny gap called a synapse. Signals cross this gap using chemicals. One neurone releases the chemical into the gap. The chemical diffuses across the gap and makes the next neurone transmit an electrical signal.
The Main Ingredient may refer to: 1  The Main Ingredient (band) , an American soul and R&B group. 2  The Main Ingredient (Pete Rock & CL Smooth album) , 1994.
Even though it is geared towards brewing, it is still a good description of the main ingredients of beer. In its most simple form, beer is made of four basic ingredients: Water, yeast, Malt and hops. As is the case with the human body, the most abundant ingredient in beer is water. Over 95% of your brew is made up of water.