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.
The number of main ingredients actually depends on the specific formulation of a food and the degree of variety included, so one brand may have only three or four main ingredients, while another could have eight or ten. What you need to look for is the first source of fat or oil that appears in the ingredient list. This can either be from an animal or vegetable source, there are good and bad ones of both, but more details on that later.