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.
According to standard postal service codes, a mailbox should not sit any higher than 45 inches from street level. Place the post in the hole. Level it and attach two support beams at the center to keep the post standing up straight. Place one at the side of the post, and then add another to the back. This will ensure the post does not move while pouring the concrete and it remains level while the concrete is drying. Pour the dry concrete straight into the hole leaving 3 to 4 inches of space from the top of the hole.