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.
Potassium is found in most types of food. Good sources of potassium include: 1  fruit â such as bananas. 2  some vegetables â such as broccoli, parsnips and brussel sprouts. 3  pulses. 4  nuts and seeds. 5  fish.6  shellfish. 7  beef. 8  chicken.ood sources of potassium include: 1  fruit â such as bananas. 2  some vegetables â such as broccoli, parsnips and brussel sprouts. 3  pulses. 4  nuts and seeds. 5  fish.