Somebody please help me

B

Explanation:

• Nerve cells (neurons) carry the message from the stimulated receptors to the correct effectors.

• A sensory neuron carries the message from the receptor to the central nervous system (the spinal cord and brain).

• A motor neuron carries the message from the central nervous system to the effector.

• This is a reflex arc.

that is wrong, its not thymus.

the main thing i would use is bricks because if there is a hurricane, there is a great possibility for the house to still stand. and i would also use plexiglass windows instead of regular windows because plexiglass isn't prone to breaking.