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471783
Structure of the Human Brain
Description
A Levels Biology (Responding to the Environment) Mind Map on Structure of the Human Brain, created by kirareynolds on 09/01/2014.
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biology
responding to the environment
biology
responding to the environment
a levels
Mind Map by
kirareynolds
, updated more than 1 year ago
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Created by
kirareynolds
over 10 years ago
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Resource summary
Structure of the Human Brain
Cerebrum
Largest part of the brain
Divided into 2 hemispheres
Connected via the Coprus Callosum
Outermost layer is folded and consists of a thin later of nerve cell bodies, cerebral cortex.
Subdivided into areas responsible for specific activities and body regions
Sensory areas receive impulses indirectly from the receptors.
Association Areas
Motor areas send impulses to effectors.
In control of conscious thought and emotional response
Ability to override some reflexes
Features associated with intelligence, such as reasoning and judgement
Cerebellum
Controls the fine control of muscular movements, balance and sensory activities.
Neurones carry impulses to the motor areas so that motor output to the effectors can be adjusted appropriately in relation to these requirements
Contains over half of all of the nerve cells in the brain.
Processes sensory information from the retina, balance organs in the inner ear, spindle fibres in muscles and the joints.
Medulla Oblongata
Controls non-skeletal muscles.
Regulatory centres for a number of vital process are found here
The cardiac centre, which regulates the heart. and the respiratory centre.
Hypothalamus
Receives sensory input from the temperature receptors and osmoreceptors
Controls much of the endocrine function and regulates the pituitary gland.
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