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.
Mailboxes must be positioned 41 to 45 inches above ground level (from the surface of the road), and should be placed 6 to 8 inches back from the curb.If you do not have a raised curb, contact your local postmaster for guidance. Make sure to bury your post not more than 24 inches deep.If it's made of wood, it should be no larger than 4 inches high by 4 inches wide; for standard steel or aluminium pipe a 2-inch diameter is acceptable.Every new mailbox design should be reviewed and receive the Postmaster Generalâs (PMG) seal of approval before it goes to market.f you do not have a raised curb, contact your local postmaster for guidance. Make sure to bury your post not more than 24 inches deep. If it's made of wood, it should be no larger than 4 inches high by 4 inches wide; for standard steel or aluminium pipe a 2-inch diameter is acceptable.