Brain
How much does the human brain weigh?
Around 3 pounds
What are the lobes of the brain?
Frontal, Parietal, Occipital, Temporal
What is the peripheral nervous system made up of?
Everything but the brain and spinal cord
What is the CNS made up of?
Brain and spinal cord
The Autonomic Nervous System is divided into 2 subdivisions, what are they?
Sympathetic and parasympathetic
How many hemispheres does the brain have?
2
What part of the brain coordinates muscular movements and helps maintain balance?
Cerebellum
What are the 2 divisions of the PNS?
What are the 3 parts of the lower brain stem?
Midbrain, pons, medulla
Which division of the Autonomic Nervous System is activated during the fight or flight response?
How many lobes does the human brain have?
4
What is the name of the fluid that lets the brain take in nutrients and remove wastes with blood?
Cerebrospinal Fluid
What does the Somatic Nervous System do?
Sensory input and voluntary muscle control
What is one of the major functions of the lower brain stem?
breathing regulation
Which subdivision of the Autonomic Nervous System is activated during the resting and digesting response?
Parasympathetic Nervous System
What is the largest part of the brain?
Cerebrum
What is the name of the structure that connects the two hemispheres of the brain?
Corpus Callosum
What does the Autonomic nervous system do?
Automatic involuntary bodily functions
If a patient has an injury resulting in a Central Nervous System injury that affects the patient's breathing, swallowing and digestion that causes the to have to be on life support, what part of the CNS was likely injured?
Brain stem
Which part of the Autonomic Nervous System is responsible for increased heart rate, increased respiratory rate, decreased digestion, and pupil dilation?
Sympathetic Nervous System
What controls the body's temperature?
hypothalamus
If a person has a stroke and the left side of their mouth and eye is drooping, which side of the brain was affected by the stroke?
right side
Examples of involuntary actions
blood pressure, heart rate, breathing, digestion, swallowing, blinking, pupil dilation/constriction
What part of the brain stem controls depth and rhythm of breathing, prevents over-inflation of lungs and helps with REM sleep?
Pons
Which part of the Autonomic Nervous System is responsible for pupil constriction, increased salivation, increased digestion, decreased heart rate?
Parasympathetic Nervous System