Nervous System

5. Gland that makes, stores and releases hormones.
6. A circular system of arteries that supply blood to the brain.
7. A hormone released by the adrenal glands that helps the body respond to stress.
10. Connects the two hemispheres of the brain
12. Sensory receptors that respond to mechanical pressure or distortion.
14. The brain’s relay center that directs sensory and motor signals to the cerebral cortex.
19. Artery that supplies blood to the occipital lobe, the bottom of the temporal lobe, and various deep structures including the thalamus.
20. Sensory receptor for painful stimuli.
21. Positive stress that can motivate and improve performance.

1. A region of the brain that regulates homeostasis, including sleep, hunger, and hormone release.
2. The receiving portion of a neuron.
3. The brain’s ability to form new neural connections, supporting learning and adaptation.
4. Artery that supplies blood to the lateral aspects of the frontal, temporal, and parietal lobes.
8. Map in the brain of sensory and motor neurons in each part of the body.
9. A nerve cell that transmits electrical signals throughout the body.
11. Insulating layer around nerves that allows electrical impulses to transmit quickly and efficiently.
13. The body’s ability to maintain stable internal conditions despite external changes.
15. Artery that supplies blood to the medial portions of the frontal lobes and superior medial parietal lobes.
16. System involved in emotional behavior, motivation, and learning.
17. Unit A motor neuron and all the muscle fibers it innervates.
18. The junction between two neurons where neurotransmitters are released to transmit signals.