neuron
Neurons communicate electrically and chemically. This topic is part of Human Body within Science & Nature. This page currently draws on 8 supporting questions, with answers and bonus facts available below.
neuron trivia questions
A neuron is a cell specialized to transmit what?
Answer: Nerve signals
Bonus fact: Neurons communicate electrically and chemically.
What long projection carries impulses away from a neuron cell body?
Answer: Axon
Bonus fact: Axons transmit signals to other cells.
What junction allows one neuron to communicate with another?
Answer: Synapse
Bonus fact: Neurotransmitters often cross synaptic gaps.
Loss of dopamine-producing neurons is strongly associated with which disease?
Answer: Parkinson's disease
Bonus fact: Parkinson's involves degeneration of dopamine neurons in the substantia nigra.
What part of a neuron usually receives incoming signals?
Answer: Dendrites
Bonus fact: Dendrites branch outward from the cell body.
Roughly how many neurons are located in an octopus's arms rather than its central brain?
Answer: A majority
Bonus fact: Much of an octopus nervous system is distributed through its arms.
The nervous system sends signals through what kind of cells?
Answer: Neurons
Bonus fact: Neurons transmit electrical and chemical signals.
What pathway carries signals through a simple reflex response?
Answer: Reflex arc
Bonus fact: Sensory neurons, interneurons, and motor neurons can form the arc.