Karteikarten
firsten ch 13
Karten in diesem Stapel (38)
- 1any change or signal in the environment that an organism can recognize and react to is called _______.Stimulus
- 2A reaction to a stimulus.Response
- 3What does your nervous system include?Your brain, spinal cord, and the nerves that connect these organs to all parts of your body.
- 4The message that a neuron carries.A nerve impulse.
- 5Picks up a stimulus and converts it into a nerve impulse.Sensory neuron.
- 6Individual nerve cells that carry information through your nervous system.Neurons
- 7Carries a nerve impulse to another interneuron or to a motor neuron.Interneuron
- 8Sends an impulse to a muscle or gland , enabling it to respond.Motor neuron
- 9Includes the brain and spinal cord.Central nervous system
- 10Includes all nerves outside of the cns.Peripheral nervous system
- 11The largest organ in the nervous system as well as the control central of the cns.Brain
- 12A thick column of nervous tissue that links the brain to the peripheral nervous system.Spinal cord
- 13Where you think and store memories.Cerebrum
- 14Controls balance and coordination.Cerebellum
- 15controls involuntary movment.Medula (brain stem)
- 16what does your brain stem connect to.Spinal cord
- 17What surrounds and protects your spinal cord.Vertebrae column
- 18What does the peripheral nervous system include/The somatic nervous system nerves and the autonomic nervous system nerves.
- 19controls voluntary actions.Somatic nervous system
- 20Controls involuntary actions.autonomic nervous system.
- 21An opening that lets light enter the eye.Pupil
- 22a ring of muscle that controls the amount of light that enters the eye.iris
- 23light passes through this.the lens
- 24the back of the eye that contains light- sensitive cells that produce nerve impulses.retina
- 25Where do the impulses from the retina travel to.optic nerve
- 264 main taste sensations.sweet, sour, salty, and bitter.
- 27a nerve cell that responds to chemical molecules in the air.olfactory cell
- 28Alerts you to danger.Pain
- 29regulates most activities by sending nerve impulses throughout the body.Nervous system
- 30regulates short term and long term activities by sending chemicals throughout the body.Endocrine system
- 31an organ that produces or regulates a chemical.Gland
- 32A chemical produced by an endocrine gland.hormone
- 33Speeds up your heart rate and breathing rate.Adrenaline
- 34kicks in when your angry, frightened, or excited.fight-or-flight
- 35Cells that are specialized in a way that enables them to recognize a hormone's chemical structure.Target cells
- 36The part of your brain that links the two syestems.Hypothalamus
- 37Works with the hypothalamus to control many activities.Pituitary gland
- 38GOODLUCK
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