Health Psychology Ch. 5 Flashcards
Neurons
Nerve Cells
The results of stress in the body result from our _______ ________’s responses to our __________.
- Nervous System’s
- Environment
The human nervous system contains billions of individual cells called _______.
Neurons
Neurotransmitters
Chemicals that are released by neurons and that affect the activity of other neurons.
The two major divisions of the nervous system are the _____ ______ ______ and the ______ ________ _______.
- Central Nervous System (CNS)
- Peripheral Nervous System (PNS)
What does the CNS consist of?
The BRAIN and SPINAL CORD.
What does the PNS consist of?
All other neurons , which extend from the spinal cord to all other parts of the body.
What are the two parts that the Peripheral Nervous System is divided into?
- The Somatic Nervous System
- The Autonomic Nervous System (ANS)
The Somatic Nervous System primarily serves the _____ and the _______ _______.
Skin and Voluntary Muscles
The Autonomic Nervous System primarily serves ________ _________ and is therefore important in understanding responses to stress.
Internal Organs
What are the TWO subdivisions of the Autonomic Nervous System?
- Sympathetic Nervous System
- Parasympathetic Nervous System
The _______ division of the ANS mobilizes the body’s resources in emergency, stressful, and emotional situations.
Sympathetic
The _______ division of the ANS promotes relaxation, digestion, and normal growth functions.
Parasympathetic
Neurons in the ANS are activated by neurotransmitters, principally _________ and _________.
- Acetylcholine
- Norepinephrine
Endocrine System
The system of the body consisting of ductless glands.
