Your Amazing Brain:
description
Transcript of Your Amazing Brain:
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Your Amazing Brain:
The Inside Tour
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Did You Know…?Your brain contains 100 billion neurons and 60
trillion synapses (cortex)
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Did You Know…?Your brain contains 100 billion neurons and 60
trillion synapses (cortex)The average adult brain weighs about 1.4 kg (3
lbs)
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Did You Know…?Your brain contains 100 billion neurons and 60
trillion synapses (cortex)The average adult brain weighs about 1.4 kg (3
lbs)Your brain makes up about 2% of body weight yet
takes 20% of the body’s blood supply
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Did You Know…?Your brain contains 100 billion neurons and 60
trillion synapses (cortex)The average adult brain weighs about 1.4 kg (3
lbs)Your brain makes up about 2% of body weight yet
takes 20% of the body’s blood supply Brain does not fully mature until age 25-30 years
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The Key Players:Frontal Lobe:reasoning, judgment,higher order thinking(NOT fully developed until 25-30 yrs)
Temporal Lobe:hearing, speech
Parietal Lobe: pain, pressure, touch, speech
Occipital Lobe: vision
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The Major Parts:
cerebrum
skull
meninges (3 layers)
spinal cord
thalamuscorpus
collosum
medulla oblongata
pituitary glandcerebellum
ponshypothalamus
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What the Parts Do:Parts FunctionsCerebrum(cortex)
Voluntary activities, motor control, speech, vision, thinking, pain
Corpus Collosum
Thalamus
Hypothalamus
Pituitary Gland
Pons
Medulla Oblongata
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What the Parts Do:Parts FunctionsCerebrum(cortex)
Voluntary activities, motor control, speech, vision, thinking, pain
Corpus Callosum
Connects right and left hemispheres of cortex
Thalamus
Hypothalamus
Pituitary Gland
Pons
Medulla Oblongata
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What the Parts Do:Parts FunctionsCerebrum(cortex)
Voluntary activities, motor control, speech, vision, thinking, pain
Corpus Callosum
Connects right and left hemispheres of cortex
Thalamus Sends information to cortex about sensation, spatial awareness, sleep-wake cycles and consciousness
Hypothalamus
Pituitary Gland
Pons
Medulla Oblongata
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What the Parts Do:Parts FunctionsCerebrum(cortex)
Voluntary activities, motor control, speech, vision, thinking, pain
Corpus Callosum
Connects right and left hemispheres of cortex
Thalamus Sends information to cortex about sensation, spatial awareness, sleep-wake cycles and consciousness
Hypothalamus Controls pituitary gland, controls body temperature, thirst, hunger
Pituitary Gland
Pons
Medulla Oblongata
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What the Parts Do:Parts FunctionsCerebrum(cortex)
Voluntary activities, motor control, speech, vision, thinking, pain
Corpus Callosum
Connects right and left hemispheres of cortex
Thalamus Sends information to cortex about sensation, spatial awareness, sleep-wake cycles and consciousness
Hypothalamus Controls pituitary gland, controls body temperature, thirst, hunger
Pituitary Gland Secretes hormones that control the entire bodyA.K.A: The Master Gland
Pons
Medulla Oblongata
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What the Parts Do:Parts FunctionsCerebrum(cortex)
Voluntary activities, motor control, speech, vision, thinking, pain
Corpus Callosum
Connects right and left hemispheres of cortex
Thalamus Sends information to cortex about sensation, spatial awareness, sleep-wake cycles and consciousness
Hypothalamus Controls pituitary gland, controls body temperature, thirst, hunger
Pituitary Gland Secretes hormones that control the entire bodyA.K.A: The Master Gland
Pons Communicates between cortex and cerebellum, contains many cranial nerves that control face
Medulla Oblongata
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What the Parts Do:Parts FunctionsCerebrum(cortex)
Voluntary activities, motor control, speech, vision, thinking, pain
Corpus Callosum
Connects right and left hemispheres of cortex
Thalamus Sends information to cortex about sensation, spatial awareness, sleep-wake cycles and consciousness
Hypothalamus Controls pituitary gland, controls body temperature, thirst, hunger
Pituitary Gland Secretes hormones that control the entire bodyA.K.A: The Master Gland
Pons Communicates between cortex and cerebellum, contains many cranial nerves that control face
Medulla Oblongata
Controls functions vital to life such as breathing and heartbeat
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The Inside View:
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What the Parts Do Continued:Parts FunctionsCerebellum Balance and movement co-ordination
Meninges
Skull (cranium)
Cranial nerves
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What the Parts Do Continued:Parts FunctionsCerebellum Balance and movement co-ordination
Meninges Protection of the brain3 layers (dura, arachnoid, pia)Cerebrospinal fluid in between dura and arachnoid)
Skull (cranium)
Cranial nerves
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What the Parts Do Continued:Parts FunctionsCerebellum Balance and movement co-ordination
Meninges Protection of the brain3 layers (dura, arachnoid, pia)Cerebrospinal fluid in between dura and arachnoid)
Skull (cranium) Protection and support of brain
Cranial nerves
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What the Parts Do Continued:Parts FunctionsCerebellum Balance and movement co-ordination
Meninges Protection of the brain3 layers (dura, arachnoid, pia)Cerebrospinal fluid in between dura and arachnoid)
Skull (cranium) Protection and support of brain
Cranial nerves Bundles of nerves that exit from base of brain12 cranial nervesControl of facial muscles, tongue, hearing, vision, smellVagus nerve controls viscera (some internal organs)
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The View from Below:
Optic chiasma
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The Brain’s Blood Supply:
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When Things Go Wrong:
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When Things Go Wrong:
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When Things Go Wrong:
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When Things Go Wrong:
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When Things Go Wrong:
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When Things Go Wrong:
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When Things Go Wrong:
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When Things Go Wrong:
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When Things Go Wrong:
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When Things Go Wrong:
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When Things Go Wrong:
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When Things Go Wrong:
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The End!