Neurons, the Nervous System and the Endocrine System
Across
- 1. this covers the axon of some neurons and helps speed neural impulses.
- 7. sends signals to calm the cell.
- 8. a pseudoscience about the measurement of bumps on the skull to predict mental traits.
- 10. this controls voluntary movements of skeletal muscles.
- 12. system chemically controls the various functions of cells, tissues, and organs.
- 16. body the cells support system.
- 17. a chemical messenger inside the body.
- 18. these produce and secrete hormones.
- 19. these carry incoming information from the sensory receptors to the brain and spinal cord.
- 21. these carry outgoing information from the brain and spinal cord to the muscles and glands.
- 22. controls self-regulated actions of internal organs and glands.
- 23. a chemical or drug that binds to receptors in the brain and increases the avalibility of a neurotransmitter.
- 24. these form junctions with other cells.
- 25. two kinds of neurons that connect the central nervous system to the body
Down
- 2. carry information away from the central to peripheral nervous system.
- 3. a chemical or drug that binds to the receptors in the brain that decreases the availability of a neurotransmitter.
- 4. nerves carry signals toward the central nervous system from the periphery.
- 5. a disease that attacks the myelin sheath of a nerve cell.
- 6. psychology A branch that concerns with the links between biology and behavior.
- 9. passes messages away from the cell body to other neurons, muscles and glands.
- 11. sends signals that stimulates the cell.
- 13. these receives messages from other cells.
- 14. within the brain and spinal cord that communicate internally and intervene between the sensory inputs and the motor outputs.
- 15. chemical messengers that are secreted directly into the blood.
- 20. A Nerve cell; The basic building block of the nervous system.