Nervous system

    Cards (11)

    • Central nervous System - body’s master control unit
    • The nervous system
    • Peripheral nervous system: sends information from the CNS to the outside world. Sends messages from the CNS to muscles and glands
    • Spinal cord: a column of nerves between the brain and PNS
    • Brain stem: connects to the brain and spinal cord
    • Brain stem: connects to the brain and spinal cord
    • Brain: divided into 3 major parts: hindbrain (lower brain), midbrain, forebrain
    • Autonomic nervous system: sends information to and from internal bodily organs. Autonomic (involuntary) and made up of two parts: sympathetic and parasympathetic
    • Somatic nervous system: sends information from receptor cells in organs to the CNS. Receives information from the CNS to muscle cells
    • Sympathetic nervous system: prepares the body for an action like fight or flight
    • Parasympathetic nervous system: calms the body and helps the body conserve energy