Answer:
The definition of dendrite: a short branched extension of a nerve cell, along which impulses received from other cells at synapses are transmitted to the cell body.
For 1, the answer should be B, as it is a part of the neuron and spreads information throughout the body.
For 2, the answer is A: stimuli.
For 3, the answer is C: Interneurons help signals move from one neuron to another toward the spinal cord