control and coordination

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Across
  1. 3. is a muscle or gland that responds to the commands from the nervous system.
  2. 6. is the junction between two neurons where the transmission of nerve impulses occurs through chemical messengers called neurotransmitters.
  3. 8. is an automatic, quick, and involuntary response to a stimulus that does not involve conscious thought.
  4. 9. is the structural and functional unit of the nervous system which transmits information in the form of electrical impulses.
Down
  1. 1. is any change in the environment to which an organism responds.
  2. 2. is the pathway followed by nerve impulses during a reflex action.includes the receptor → sensory neuron → spinal cord → motor neuron → effector.
  3. 4. are specialized cells or tissues in our body that detect stimuli and send information to the brain or spinal cord through sensory neurons.
  4. 5. are short, branched extensions of the neuron that receive nerve impulses from other neurons or receptors and transmit them toward the cell body.
  5. 7. is a long, cylindrical projection of the neuron that carries nerve impulses away from the cell body to the next neuron, muscle, or gland.