The axon of the sensory neuron is very close to the dendrite of the motor neuron. The axon of the sensory neuron sends a chemical signal called a neurotransmitter to the dendrite of the motor neuron.
1 You should install the mailbox with the bottom of the box at a vertical height of between 41-45 inches from the road surface. . 2  Your house number should be clearly marked on the mailbox with painted numbers or stickers no less than 1 high.
The 48â maximum high side reach is also found in the USPS requirements where at least one tenant mailbox must be located less than 48â above the finished floor. The 15â lower limit is also found in the USPS requirements as the lowest position above the finished floor for the shelf surface of a parcel locker.