section 6 not two gafs Flashcards
(23 cards)
What does the primary somatosensory area do?
Receives sensory info from sensory neurons.
What is the function of the primary motor area?
Sends out motor commands.
What is Wernicke’s area responsible for?
Understanding speech.
What does Broca’s area do?
Forms words.
What is the role of the frontal lobe?
Executive functions: planning and movement.
What is the parietal lobe associated with?
Sensory functions: somatosensory and spatial perception.
What is the primary function of the temporal lobe?
Auditory functions: audition and memory.
What does the occipital lobe process?
Visual information.
What are ganglia?
Collections of nerve cell bodies outside the CNS.
What are the two major PNS systems?
Somatic and autonomic.
What does the somatic system serve?
Skin, skeletal muscles, and tendons.
What does the autonomic system regulate?
Cardiac and smooth muscles, organs, and glands.
What is the sympathetic division responsible for?
Active during emergency situations.
Fight or flight.
What does the parasympathetic division promote?
Responses associated with a relaxed state.
What is biological evolution?
The change over time in populations of related organisms.
Who is Jean-Baptiste Lamarck?
The first to propose a mechanism for evolution.
What is microevolution?
Small evolutionary changes.
Includes natural selection, mutation, gene flow, and genetic drift.
What is macroevolution?
Large-scale evolution.
What is climate?
The average weather patterns in a given area over a long period of time.
What is the biosphere?
The sum of the locations where life exists on Earth.
What does an organic molecule contain?
Carbon and hydrogen.
What is a vector?
Something that moves an infectious agent (bacteria or virus) from one organism to another.
What is an invasive species?
One that’s been introduced to places outside its natural range.
