Neuronal synapses (chemical) | Human anatomy and physiology | Health & Medicine | Khan Academy

How one neuron can stimulate (or inhibit) another neuron at a chemical synapse. Created by Sal Khan. Watch the next lesson: Missed the previous lesson? Health & Medicine on Khan Academy: No organ quite symbolizes love like the heart. One reason may be that your heart helps you live, by moving ~5 liters (1.3 gallons) of blood through almost 100,000 kilometers (62,000 miles) of blood vessels every single minute! It has to do this all day, everyday, without ever taking a vacation! Now that is true love. Learn about how the heart works, how blood flows through the heart, whe