Biopsychology

5. Connects the CNS to the rest of the body and is divided into the somatic and autonomic systems.
8. Prepares the body for 'fight or flight' responses by increasing heart rate and inhibiting digestion.
9. Consists of the brain and spinal cord; responsible for processing and responding to sensory information.
11. Chemical messenger that transmits signals across a synapse.
12. Controls voluntary movements of skeletal muscles.

1. A physiological reaction to a perceived threat, involving adrenaline release and bodily arousal.
2. Returns the body to a resting state after a threat has passed.
3. A network of glands that secrete hormones to regulate bodily functions.
4. Known as the "master gland"; it controls the release of hormones from other glands.
6. The process by which neurotransmitters are released by one neuron and bind to receptors on another.
7. Controls involuntary bodily functions like heart rate and digestion.
10. A nerve cell that transmits electrical impulses through the nervous system.