Neuron to Neuron. Each nerve cell in the brain sends and receives messages in the form of electrical and chemical signals. Once a cell receives and processes a message, it sends it on to other neurons. Neurotransmitters - The Brain's Chemical Messengers.
The recommended potassium intake for adults is 4,700 milligrams a day. Fruits and vegetables provide the most significant sources of potassium, particularly potatoes, squash, green leafy vegetables, legumes, bananas, citrus and dried fruits.Whole-grain breads and cereals, meats, milk, nuts and seeds are also rich in potassium.otassium is a mineral and electrolyte that plays a significant role in metabolism, water, and chemical balance in the body.
Food Sources. Many fruits and vegetables are excellent sources of potassium. For example, one medium potato contains 926 milligrams,1/2 cup of cooked spinach provides 420 milligrams, one medium artichoke contains 343 milligrams and 1/2 cup of lima beans provides 485 milligrams. Dried fruits are exceptionally high in potassium.