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Nervous System Recall

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  • What does the brainstem do? Give an example
    Connects brain to spinal cord, controls basic things to stay alive (breathing)
  • Are all cells neurons?
    NO
  • The empty space between the terminal of one neuron and dendrite of another is called
    synapse
  • The brain has how many parts
    3
  • The PNS is divided into 2 separate things known as
    Somatic Nervous System and the Autonomic Nervous System
  • The most important cell in the nervous system is the
    Neuron
  • What do neurons do?
    Give, receive and handle information
  • The Thymus gland helps to
    control the body's defense against disease
  • Homeostasis is
    when your body is working in balance
  • The central controller for a lot of hormones is called the
    pituitary gland
  • A bundle of neuron axons running together create a
    nerve
  • The interneuron's main job is to
    connect two or more neurons
  • The endocrine system operates by using chemicals called
    hormones
  • The CNS and PNS are connected by 62 what?
    Spinal Nerves
  • How many parts does your nervous system have?
    2
  • The SNS is reponsible for
    voluntary movements you make
  • Nerves can carry information
    both ways
  • What does the cerebellum do and give an example
    Controls complex muscle movements like standing without thinking about it
  • What does integration mean?
    Bring together lots of parts into an understandable whole
  • The neurons that take information back to your body are called
    motor neurons
  • What does the axon do?
    Transmits information to the axon terminal
  • Each individual neuron is designed to carry information only
    one direction
  • How many nervous systems do you have?
    1
  • The central nervous system (CNS) has how many parts?
    2
  • Adrenal glands are
    glands that send epinephrine when you go into fight or flight
  • What is the outer part of the cerebrum?
    Cerebral Cortex
  • What cells does the cerebral cortex contain?
    Neurons
  • The spinal nerves come in?
    Pairs
  • When a signal reaches the end of the axon terminal it changes into a chemical called
    neurotransmitters
  • What do some axons have that help information go faster?
    Myelin Sheath
  • The neurons that take information to the brain are called
    sensory neurons
  • What three things are true about the cerebrum
    1)largest part of brain 2)Controls Conscious Actions 3) Big thinking happens
  • We have around how many motor neurons
    500,000
  • Hormones are
    chemicals that tell certain cells what to do
  • What is an example from our textbook of integration?
    Playing Tennis
  • The Second System that controls your body is called the
    Endocrine System
  • What are the three parts of the brain
    cerebrum, cerebellum, brainstem
  • Name the 2 parts of the nervous system
    Central Nervous System and Peripheral Nervous System
  • The third type of neuron is called
    interneuron
  • The adult brain weigh less than
    3 pounds
  • The PNS and CNS are connected by how many cranial nerves?
    24
  • We have around how many sensory neurons
    10 million
  • The ANS
    controls involuntary muscles
  • Name the two parts of the CNS
    The brain and the spinal cord
  • What does a dendrite do?
    Take information to the nucleus of the neuron
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