Nervous System
The __________ includes the brain and spinal cord
Central Nervous System
Neurons have three main functional classifications: Sensory, Motor and ______________.
Interneurons
The spinal column extends from _________ to the _________.
the base of the skull to the pelvis
About which vertebra does the spinal cord end?
L2
This area of the brain is the relay center between the cortex and sense organs
Thalamus
The __________ provides a complete network of motor and sensory fibers connecting the CNS to the rest of the body
Peripheral Nervous System
A typical neuron consists of a cell body (soma) with two specialized ends axons and ___________.
Dendrites
How many total vertebrae is in the spinal column?
33
This spinal tract carries impulses away from the body to the brain
Ascending spinal tract
This area of the brain controls hunger, thirst, temperature, and aggression.
Hypothalamus
These are the basic unit of structure and function of the nervous system
Neurons
A special insulating layer around the axons of neurons is responsible for the appearance of white matter.
Myelin
What is the name for the 1st and 2nd vertebra of the cervical spine called?
Atlas and Axis
These are defense mechanisms that assist us in preventing injury to ourselves.
Reflexes
This part of the cerebrum functions as the center for balance and understanding of spoken and written language.
Parietal Lobe
Neurons communicate with each other by way of chemicals called _____________.
Neurotransmitters
How many pairs of cranial nerves does the human body have?
12
What is the hole in the center of each vertebra called?
Vertebral Foramen
The nervous impulses travel to the diaphragm by way of phrenic nerves, which exit the spinal column at the _________ region.
C3-C5
This area of the brain regulates breathing and cardiovascular function
Medulla Oblongata
The Autonomic Nervous System is further classified into actions of ____________ and ____________.
Sympathetic and Parasympathetic
Sensory neurons are also known as _____________ whereas Motor neurons are known as _________________.
Afferent-conducting signals away
Efferent- conducting signals toward
What is the cushion that separates each vertebra called?
intervertebral disk
What is the bundle of spinal nerves called where there is a lumbar enlargement of the spinal cord?
It is also known as the horse's tail
Cauda Equina
This area of the brain functions as part of the limbic system which plays a role in memory and emotional reactions.
Amygdala