Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
6 Cards in this Set
- Front
- Back
|
The nervous system is divided into:
|
1. The Central Nervous System (CNS).
2. The Peripheral Nervous System (PNS). |
|
|
The Central Nervous System includes:
|
1. Brain.
2. Spinal Cord. |
|
|
The Peripheral Nervous System (PNS) includes:
|
1. Cranial nerves.
2. Spinal nerves. |
|
|
What are the two principal cell types of the nervous system?
|
1. Neurons.
2. Supporting cells. |
|
|
What are neurons?
|
- Basic structural & functional units.
- Responds to stimuli. - Controls muscles, glands, sensory, etc. - Cannot divide by mitosis. |
|
|
What are supporting cells?
|
- Aids neurons.
- 5X more abundant than neurons. - In CNS called neuroglia or glial cells. - Divides by mitosis. - Brain tumors in adults consist of glial cells. |
