The brain Human brain is complicated and poorly understood Contains approximately 1010 basic units called neurons Each neuron connected to about 10.000 others Dendrites Soma(or Cell Body) Axon Synapse3 The brain • Human brain is complicated and poorly understood. • Contains approximately 1010 basic units called neurons. • Each neuron connected to about 10,000 others. Axon Dendrites Synapse Soma (or Cell Body)