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NATURAL SC_UNIT3_PART 2

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  • What´s this?
    The eardrum
  • What´s this?
    The ear canal.
  • The ___________________ send signals from the receptors (sense organs) to the brain.
    MOTOR NERVES.
    SENSORY NERVES.
  • What´s this?
    The urethra.
  • What are the changes boys experience in puberty?
    The penis and testicles grow, hair grows in the chest.
    The penis and testicles grow, hair grows in the pubic area.
    The penis and testicles grow, and the hips widen.
  • What´s this?
    Te choclea.
  • What are the functions of bones?
    Protect the organs, give us structure and allow us to move.
  • What protects the spinal cord?
    The backbone.
    The skull.
    The ribs and sternum.
  • What´s this?
    The uterus.
  • What attaches the muscles to the bones?
    Joints
    Tendons
    The Skeleton
  • The brain stem is a part of the central system that...
    controls involuntary actions like breathing and heartbeat.
    controls voluntary actions like dancng and jumping
    transports information.
  • What is a neuron?
    It is a star-shaped cell that transmits impulses.
  • The _______________________ send impulses from the brain to the effectors (muscles and bones)
    SENSORY NERVES
    MOTOR NERVES
  • What´s the organ, function and nerve of sight?
    The eye, detect light and the olfactory nerve.
  • They are pieces of hard tissue
    BONES
    TENDONS
    MUSCLES
  • What´s this?
    The fallopian tubes.
  • What´s the organ and function of touch?
    The skin, detect temperature, pain and pressure.
  • What´s this?
    The vagina
  • What are nerves made from?
    They are made from neurons.
  • What are the functions of muscles?
    They move the bones and some organs: the heart( pumping blood), the diaphragm (breathing) and the intestines (moving the food and waste substances)
  • The peripheral nervous system is made up of:
    nerves
    the encephalon and the spinal cord.
  • What do we call the places where two or more bones connect?
    Tendons
    Joints
    Skeleton
  • What are the changes girls experience in puberty?
    Breasts grow, hair grows in the chest and we get the period.
    Breasts grow, hips widen and we get the period.
  • What are these?
    The testicles
  • The cerebellum is a part of the central system that...
    controls involuntary actions like breathing and heartbeat.
    transports information.
    controls voluntary actions like dancng and jumping