Chapter 1 Lesson 1 Vocab

an inherited behavior, one that is not learned but done automatically

• sensory organ

• brain

• reflex

• instinct

a think bundle of nerves in the spine

• nervous system

• sensory organ

• spinal cord

• peripheral nervous system

the set of organs that uses information from the senses to control all body systems

• nervous system

• brain

• central nervous system

• reflex

organs such as they skin, eyes, ears, nose, and tongue that gather information from outside the body

• reflex

• brain

• sensory organ

• central nervous system

an action or movement of the body that happens automatically as a reaction to something

• reflex

• instinct

• brain

• peripheral nervous system

part of the nervous system made up of the brain and spinal cord

• spinal cord

• peripheral nervous system

• nervous system

• central nervous system

organ in the nervous system that sends and receives messages from the other body organs

• spinal cord

• brain

• instinct

• sensory organ

part of the nervous system that is not part of the central nervous system and receives sensory information from cells in the body

• sensory organ

• instinct

• brain

• peripheral nervous system