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.
Bananas. If youâve heard about any potassium-rich foods, you probably know that bananas are a good source, containing more than 400 mg of potassium each. Bananas make a healthy high-energy snack â more beneficial to athletes than sports drinks, according to at least one study. Holly Clark/Stocksy Potatoes Whether theyâre red, white, or sweet, potatoes can be a great source of potassium; about 900 mg of the nutrient can be found in just one medium Russet potato. 2  These popular complex carbs are also high in vitamin C, vitamin B6, iron, and fiber (especially in the skin).