What are the key components of a typical neuron?

The correct choice highlights the primary structural features of a neuron, which are essential for its function in the nervous system. A neuron is composed of three main components:

1. Cell Body (Soma): This part contains the nucleus and is responsible for the metabolic activities of the neuron. It integrates incoming signals and sets the overall activity of the neuron.

2. Dendrites: These are branch-like structures that extend from the cell body. Their primary role is to receive signals from other neurons and convey this information to the cell body. Dendrites increase the surface area available for synaptic contact and play a key role in the communication between neurons.

3. Axon: This long, thin structure transmits electrical impulses away from the cell body toward other neurons or target tissues. The axon is crucial for the conduction of nerve impulses, and in many neurons, it is covered by a myelin sheath that facilitates faster signal transmission.

Together, these components define the structure and function of a neuron, making this choice the most accurate description of what constitutes a typical neuron.