Functions of the Nervous System
What are the three main functions of the nervous system?
Sensory input, integration processes, and motor output
What are the two subdivisions of the nervous system?
The central nervous system (CNS) and the peripheral nervous system (PNS).
Speech, memory, and logical and emotional responses are all functions of what?
Cerebral cortex neurons
What divides the cerebrum into lobes?
Fissures
What are the four cerebral areas involved in special senses?
Gustatory (taste), visual, auditory, olfactory
The nervous and ________ systems work together to help the body maintain homeostasis.
Endocrine
What does the CNS consist of?
The brain and the spinal cord.
Where is the somatic sensory area located?
Parietal lobe
What are the four lobes of the cerebrum?
Frontal, parietal, occipital, and temporal
Speech/language, language comprehension, and general interpretation
How does the nervous system communicate?
Through body cells by means of electrical currents
What does the PNS consist of?
Nerves that extend from the brain and the spinal cord.
What area allows you to recognize pain, coldness or a light touch?
Somatic sensory area
Which lobe is the primary motor area that allows us to consciously move our skeletal muscles?
What layer of the cerebrum is composed mostly of neuron cell bodies?
Gray matter
What does the endocrine system do?
Produces hormones that are released in to the blood.
________ carry impulses to and from the brain.
Cranial nerves
Lip and the fingertips have the most ______
Sensory receptors
Impulses traveling from the body's sensory receptors are localized and interpreted in which area of the brain?
Parietal lobe
What layer of the cerebrum has fiber tracts inside the gray matter?
White matter
Motor output is the response to _______. The response activates ________ or ________.
Integrated stimuli
Muscles or Glands
Motor neurons take action through ________.
Muscles and glands
What is the name of the ridges and grooves of the brain?
Gyri and sulci
________ lobe is where the visual area is located toward the posterior part.
Occipital
What are the internal islands of gray matter?
Basal nuclei