Control & Coordination Revision
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Last updated 4:33 AM on 10/8/22
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66 Terms
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Chemicals
________ called neurotransmitters cross the synapse and communicate messages from one neuron to the next.
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Smell
________: The nose contains chemoreceptors that send a message via the olfactory nerve to the brain.
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Positive feedback
________: Only decreases /Increases and will have more and more or less and less.
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Glycogen
________ is broken down to form glucose.
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Dendrite
________: receive messages from other neurons and pass the message on to the soma.
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Insulin
________ works on target cells in your liver.
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stimulus
Once the ________ is detected by the receptor a message is sent from the receptor to the brain.
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Nervous system
________: responsible for all we think, do, and feel.
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Hippoampus
________: creates new long term memories.
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Tissue
________: A collection of similar cells that perform a particular function.
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Taste
________: Chemoreceptors in the tongue recept ________.
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better focus
It can promote alertness, ________ and concentration.
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Stimuli
________: anything your body needs to respond to.
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Sense organs
________ are used to detect stimuli (such as light, sound, touch, taste and smell) in your environment.
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blood sugar levels
Regulating glucose (________) in your body involves negative feedback.
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Hormones
________ are made by glands and released into your blood stream.
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endocrine system
Your ________ uses chemical messengers called hormones.
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Neurotransmitters
________ are chemicals involved in passing messages between your neurons.
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Negative Feedback
________: Something that will go up and down and try to stay in an optimal range.
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particular facial expression
It may sense a(n) ________ or tone as being threatening, or it may detect an event that was previously tagged as being a negative experience.
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Dopamine levels
________ can be depleted by stress or poor sleep.
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internal environment
Any change (stimuli) in the ________ needs to be detected (by receptors) so the body can respond.
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Receptors
________: Identify changes inside or outside the body.
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Peripheral nervous system
________- made of all other nerves in the body.
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Insulin
________ triggers the liver to uptake glucose and store it for later.
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Cells
The smallest structural unit of living organisms
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Organs
Different types of tissues grouped together to perform a particular function
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System
Different organs working together to achieve a specialized function to keep an organism working
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Tissue
A collection of similar cells that perform a particular function
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Stimuli
anything your body needs to respond to
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Receptors
Identify changes inside or outside the body
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Effectors
receive messages from the brain e.g
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Negative Feedback
Something that will go up and down and try to stay in an optimal range
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Positive feedback
Only decreases/Increases and will have more and more or less and less
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Chapter 2.3
Nervous System
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Nervous system
responsible for all we think, do, and feel
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central nervous system
made of the brain and spinal cord
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peripheral nervous system
made of all other nerves in the body
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Neurons
specialised cells
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Dendrite
receive messages from other neurons and pass the message on to the soma
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Soma
Cell body, contains the nucleus
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Nucleus
Cell control centre
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Axon
carries electrical message from the soma to the axon terminal
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Axon terminal
The end of the axon, release chemicals called neurotransmitters, into the synapse
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Synapse
The space between neurons
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Chapter 2.4
Getting the message
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Thermoreceptors
Temperature
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Mechanoreceptors
Pressure
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Chemoreceptors
Nose and Taste buds
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Photoreceptors
light
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Noiciceptors (pain receptors)
pain
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Smell
The nose contains chemoreceptors that send a message via the olfactory nerve to the brain
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Taste
Chemoreceptors in the tongue recept taste
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Chapter 2.5
The brain
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Cerebrum (including the cerebral cortex)
thinking and planning
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Thalamus
filters sensory information
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Hippoampus
creates new long term memories
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4 Lobes
(there are 8 lobes in total, 4 in each hemisphere
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Frontal
movement
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Parietal
sensation of touch
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Occipital
vision
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Temporal
sound/hearing
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Chapter 2.6
Endocrine System
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Influences
water balance in the body, growth
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Chapter 2.8
The Brain and Emotions
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Fight or flight response
when you feel angry, your hypothalamus responds by sending messages to your pituitary gland to instruct your adrenal glands to release adrenaline
Flashcards (23)