C3.1 - Crossword Labs

1. The primary mechanism for maintaining homeostasis by reversing changes.
5. The maintenance of a stable internal environment within narrow limits.
8. A change in the environment that triggers a regulatory response.
9. The organ that monitors blood glucose and coordinates an endocrine response.
10. A sensory receptor that detects changes in blood pressure.
12. A muscle or gland that carries out a response to a stimulus.
13. The wave-like muscle contractions that move food through the digestive tract
14. The system that uses hormones for slow long-distance communication.
16. The part of the brain that coordinates skeletal muscle contraction and balance.
18. The small endocrine gland that secretes melatonin in response to darkness.
20. The master gland that receives signals from the hypothalamus to release hormones.
21. The process of different systems working together to achieve a specific goal.
22. The brain region that acts as the control center for integrating body systems.
23. The system that uses electrical impulses for rapid internal communication.

2. The part of the nervous system that controls involuntary integrated functions.
3. A sensory receptor that detects changes in CO2 and pH levels.
4. A neuron that transmits impulses between other neurons, especially in the brain or spinal cord.
6. The hormone that regulates the sleep-wake cycle (circadian rhythm).
7. Nerve cells that carry impulses from receptors toward the central nervous system.
11. The hormone released during exercise to increase heart and breathing rates.
15. The rapid, involuntary pathway of a nerve impulse during a reflex action.
17. Nerve cells that carry impulses away from the central nervous system to effectors.
19. The brain structure primarily responsible for the formation of new memories.