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(Respiratory & Cardiovascular Systems)
Wednesday April 4, 2018 Learning Target: Identify the main functions of the nervous system. Supplies: workbook, pencil, highlighter, agenda Science Starter: Prepare for quiz (Respiratory & Cardiovascular Systems) By the end of class, I will be able to identify the main function of the nervous system and the main organs of the nervous system. Agenda: 4/4—Quiz, Notes Nervous System 4/5, 4/6, 4/9—”The Skin You’re in Lab”
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Daily Agenda Social Contract Rater/Tell me Something Good
Worth the Wait forms due—Friday April 27 DCA Body Systems—Thursday April 19 Quiz—Respiratory/ Cardiovascular Systems Early Finishers Read pgs , (Answer any questions that you can in your textbook) Begin Notes—Nervous System pgs LAUNCH--MAKE GOOD CHOICES
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The Nervous System pgs. 30-31
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Functions of the Nervous System
the center of all thought, learning and memory
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Functions of the Nervous System
the center of all thought, learning and memory regulates and maintains homeostasis (a state of balance) examples: body temperature, heart rate, respiration, digestion
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Functions of the Nervous System
the center of all thought, learning and memory regulates and maintains homeostasis (a state of balance) examples: body temperature, heart rate, respiration, digestion keeps us in touch with our internal and external environment
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Two Divisions of the Nervous System
Central Nervous System- brain and spinal cord
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Two Divisions of the Nervous System
Central Nervous System- brain and spinal cord Three Main Parts of Brain: Cerebrum- interprets input from senses and controls voluntary muscles
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Two Divisions of the Nervous System
Central Nervous System- brain and spinal cord Three Main Parts of Brain: Cerebrum- interprets input from senses and controls voluntary muscles Cerebellum- coordinates actions of muscles and helps keep your balance
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Two Divisions of the Nervous System
Central Nervous System- brain and spinal cord Three Main Parts of Brain: Cerebrum- interprets input from senses and controls voluntary muscles Cerebellum- coordinates actions of muscles and helps keep your balance Brainstem- controls homeostasis and coordinates involuntary muscles
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What is this part of the brain called?
Cerebrum Cerebellum Brain stem Spinal cord
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What is the function of the brain stem?
Controls homeostasis & voluntary muscles Controls senses & voluntary muscles Controls balance & coordinates muscles Controls homeostasis & involuntary muscles
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When you feel hungry, what function is your nervous system trying to carry out?
Maintaining homeostasis Moving your body Sensing your environment Keeping your balance
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NOT in your NOTES Two Divisions of the Nervous System
Peripheral Nervous System- connects the Central Nervous System to the rest of the body
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Two Divisions of the Nervous System
Peripheral Nervous System- connects the Central Nervous System to the rest of the body Two Groups: Somatic nervous system- controls voluntary actions and input from senses (sound, sight, touch, etc.)
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Two Divisions of the Nervous System
Peripheral Nervous System- connects the Central Nervous System to the rest of the body Two Groups: Somatic nervous system- controls voluntary actions and input from senses (sound, sight, touch, etc.) Autonomic nervous system- controls homeostasis by regulating the heart, breathing, and digestion without conscious thought
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Which division of the nervous system is made up of the brain & spinal cord?
Autonomic nervous system Somatic nervous system Central nervous system Peripheral nervous system
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Which part of the Peripheral Nervous System controls processes that maintain homeostasis without you even thinking about it? Autonomic nervous system Somatic nervous system Central nervous system Peripheral nervous system
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Nerve cells are called neurons
Impulse- a message carried by a neuron
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Nerve cells are called neurons
Impulse- a message carried by a neuron Synapse- the small space that an impulse jumps between neurons
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Types of Neurons Sensory neurons: in the skin, muscles, joints, and organs that can sense pressure, temperature, and pain
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Types of Neurons Sensory neurons: in the skin, muscles, joints, and organs that can sense pressure, temperature, and pain neurons in nose & tongue sense tastes and smells neurons in inner ear sense sounds rods and cones in eye sense sight
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Types of Neurons Motor neurons: stimulate muscle cells throughout the body
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Types of Neurons Motor neurons: stimulate muscle cells throughout the body includes muscles of the heart, diaphragm, intestines, and bladder
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Types of Neurons Interneurons: connect other neurons
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Types of Neurons Interneurons: connect other neurons
all neurons in the central nervous system (brain, spinal cord) are interneurons
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Reflex Reflex- an involuntary response to a stimulus
(change in environment) that allows the body to respond quickly without thinking about it.
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What is an impulse? A nerve cell A message carried by neurons
The space between two neurons A reflex
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What is this structure called?
Axon Synaptic terminal Nucleus Dendrite
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What does a motor neuron stimulate?
Brain cells Sensory organs Muscle cells Sensory neurons
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Which is not true about a reflex?
It is a quick response. It is voluntary. It does not require conscious thought. It is a response to an external stimulus.
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4/5, 4/6, 4/9—”The Skin You’re in Lab”
Thursday April 5, 2018 Learning Target: Identify the main functions of the nervous system. Supplies: workbook, pencil, highlighter, agenda Science Starter: Vocabulary- Pg. 5—Circulatory System Pg. 6—Impulse Pg. 7—Nerve Pg. 8—Nervous system, Respiration, Respiratory System, By the end of class, I will be able to identify the main function of the nervous system and the main organs of the nervous system. Agenda: 4/5, 4/6, 4/9—”The Skin You’re in Lab”
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Daily Agenda Social Contract Rater/Tell me Something Good
Worth the Wait forms due—Friday April 27 DCA Body Systems—Thursday April 19 Public Service Announcement—EARTH DAY April 20 Finish Notes—Nervous System pgs Pgs Station 1—Using magnifier and stereoscope Station 2—Plotting distribution of sweat glands 7. LAUNCH--MAKE GOOD CHOICES
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Public Service Announcement—
Friday April 6, 2018 Learning Target: Identify the main functions of the nervous system. Supplies: workbook, pencil, highlighter, agenda Science Starter: Public Service Announcement— Let’s make a list of ideas for our PSA on Earth Day. (Try to keep this relevant to Life Sciences) By the end of class, I will be able to identify the main function of the nervous system and the main organs of the nervous system. Agenda: 4/6, 4/9—”The Skin You’re in Lab”
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Daily Agenda Social Contract Rater/Tell me Something Good
Worth the Wait forms due—Friday April 27 DCA Body Systems—Thursday April 19 4. Pgs Station 3—Microscopic Examination of Hair Station 4—Testing Tactile Localization 5. LAUNCH--MAKE GOOD CHOICES
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