Term
| Central Nervous System (CNS) |
|
Definition
Brain & Spinal Cord.
"Main Computer" |
|
|
Term
| Peripheral Nervous System (PNS) |
|
Definition
Everything excluding brain & spinal cord. Sensory Input.
"Cables" |
|
|
Term
| Somatic Nervous System (SNS) |
|
Definition
Part of the PNS.
Interacts with external environment. |
|
|
Term
| Autonomic Nervous System (ANS) |
|
Definition
Part of the PNS.
Regulates internal environemnt. |
|
|
Term
|
Definition
| Arrive. Approach. Towards. |
|
|
Term
|
Definition
|
|
Term
|
Definition
| Carry sensory signals from outside to CNS. (From eyes, skin, joints, etc) |
|
|
Term
|
Definition
| Carry motor signals from the CNS to skeletal muscles. |
|
|
Term
| Autonomic Afferent Nerves |
|
Definition
| Carry sensory signals from internal organs to CNS |
|
|
Term
| Autonomic Efferent Nerves |
|
Definition
| Carry motor signals from CNS to internal organs. |
|
|
Term
|
Definition
Autonomic Efferent Nerves.
Projects from cranial and sacral (lower back) region of spinal cord.
Prepares for action. Raises heart rate, blood pressure, and breathing rate. Decreases digestion. |
|
|
Term
|
Definition
Autonomic Efferent Nerves.
Project from lumbar and thoracic region of spinal cord.
Calm the body. Raise digestion, lower heart rate, lower breath rate. |
|
|
Term
| How many pairs of spinal & cranial nerves in the PNS? |
|
Definition
Spinal Nerves: 31 pairs
Cranial Nerves: 12 pairs. |
|
|
Term
| Which nerve effects all organs? |
|
Definition
|
|
