Across
- 3. Increased blood pressure
- 5. The _________ system includes the heart, blood, and blood vessels.
- 8. A chronic (lifelong) condition that involves compulsive seeking and taking of a substance or performing of an activity despite negative or harmful consequences.
- 9. The _______ system includes the brain, spinal cord, and nerves, and it helps send signals throughout the body.
- 11. A drug that stimulates the central nervous system, increases alertness, temporarily removes fatigue, and is found in energy drinks.
Down
- 1. Skipped heartbeats, a feeling of pounding or fluttering, and possible arrhythmias.
- 2. A fermented drink, supporting digestion and immunity
- 4. Elevated heart rate
- 6. A vital, active state of rest characterized by altered consciousness, reduced sensory activity, and inhibited muscle movement
- 7. A hormone and neurotransmitter released by the adrenal glands and brain during stressful, dangerous, or exciting situations
- 10. Caffeine blocks _____ receptors
