Questão | Responda |
any change or signal in the environment that an organism can recognize and react to is called _______. | Stimulus |
A reaction to a stimulus. | Response |
What does your nervous system include? | Your brain, spinal cord, and the nerves that connect these organs to all parts of your body. |
The message that a neuron carries. | A nerve impulse. |
Picks up a stimulus and converts it into a nerve impulse. | Sensory neuron. |
Individual nerve cells that carry information through your nervous system. | Neurons |
Carries a nerve impulse to another interneuron or to a motor neuron. | Interneuron |
Sends an impulse to a muscle or gland , enabling it to respond. | Motor neuron |
Includes the brain and spinal cord. | Central nervous system |
Includes all nerves outside of the cns. | Peripheral nervous system |
The largest organ in the nervous system as well as the control central of the cns. | Brain |
A thick column of nervous tissue that links the brain to the peripheral nervous system. | Spinal cord |
Where you think and store memories. | Cerebrum |
Controls balance and coordination. | Cerebellum |
controls involuntary movment. | Medula (brain stem) |
what does your brain stem connect to. | Spinal cord |
What surrounds and protects your spinal cord. | Vertebrae column |
What does the peripheral nervous system include/ | The somatic nervous system nerves and the autonomic nervous system nerves. |
controls voluntary actions. | Somatic nervous system |
Controls involuntary actions. | autonomic nervous system. |
An opening that lets light enter the eye. | Pupil |
a ring of muscle that controls the amount of light that enters the eye. | iris |
light passes through this. | the lens |
the back of the eye that contains light- sensitive cells that produce nerve impulses. | retina |
Where do the impulses from the retina travel to. | optic nerve |
4 main taste sensations. | sweet, sour, salty, and bitter. |
a nerve cell that responds to chemical molecules in the air. | olfactory cell |
Alerts you to danger. | Pain |
regulates most activities by sending nerve impulses throughout the body. | Nervous system |
regulates short term and long term activities by sending chemicals throughout the body. | Endocrine system |
an organ that produces or regulates a chemical. | Gland |
A chemical produced by an endocrine gland. | hormone |
Speeds up your heart rate and breathing rate. | Adrenaline |
kicks in when your angry, frightened, or excited. | fight-or-flight |
Cells that are specialized in a way that enables them to recognize a hormone's chemical structure. | Target cells |
The part of your brain that links the two syestems. | Hypothalamus |
Works with the hypothalamus to control many activities. | Pituitary gland |
GOOD | LUCK DON'T FAIL |
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