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43 Cards in this Set
- Front
- Back
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a change or signal in the environment that can make a organism react is called? |
stimulus |
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what is the function of the nervous system? |
responds to changes in the internal and external environment |
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which organ is most responsible for controlling activities of the body? |
brain |
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what part of a neuron carries nerve impulses away from the cell body? |
axons |
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a motor neuron sends a impulse to? |
a muscle or gland |
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the thick column of nerve tissue that links the brain to the nerves in the peripheral nervous system is the? |
spinal cord |
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what part of the brain controls memory? |
cerebrum |
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a spinal nerve is made up of? |
sensory and motor neurons |
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the somatic nervous system controls? |
voluntary actions |
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suppose u close a window because its raining your action in closing the window is a? |
response |
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a synapse js a space between the? |
axon and structure receiving the impulse. |
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people with ? can see objects in distance clearly |
farsightedness |
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the ? in the eye regulates the amount of light entering the eye and gives the eye its color. |
iris |
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the ? in the eye focuses light |
lens |
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the senses of both small and taste both detect? |
chemicals |
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whats the opening through which eye enters the eye? |
pupil |
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the largest sense organ is the? |
skin |
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how can a cut in skin lead to infect? |
pathogens can enter the body |
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people with ? can see nearby objects clearly |
nearsightedness |
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a strong connective tissue that holds movable joints together is a? |
ligament |
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what connects muscle to bone? |
tendons |
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the ? is aka the breastbone |
sternum |
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the ? is the largest bone in the body |
femur |
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pivot joint |
(see textbook) |
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what joint has the greatest range of motion? |
ball and socket |
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hinge joint |
(see textbook) |
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certain types of blood cells are produced in? |
bone marrow |
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ball and socket joint |
(see textbook) |
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which organ produces urea? |
liver |
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what is the primary role of bacteria in the digestive system? |
regulate the amount of water in blood |
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what is the primary role of bacteria in the digestive system? |
to breakdown waste and make vitamin k |
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glucose in urine can indicate what? |
diabetes |
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what main thongs happen in stage 1 and stage 2 in the kidneys? |
stage 1- nephrons filter blood stage 2- needed materials are returned to the blood and urine is produced |
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whats the correct sequence through which air travels when it is taken into the body? |
-nose -trachea -bronchi -lungs |
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explain why the inflammatory response is called the general defense |
bc it reacts the same way no matter what the pathogen is |
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contrast passive and active immunity |
passive involves antibodies not produced by the body of the immunized person |
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how would u determine the peak in a line graph? |
its the highest point on the graph |
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how would u determine relationship btwn 2 items using a bar graph and data table |
the higher the # on data table the higher the bars on a bar graph (opposite for lower numbers) |
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how would you know how to rank percentages in a pie chart from least common to most common? |
the lowest is least common and he highest is most common |
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what is immunity? |
the body's ability to kill pathogens before they cause a disease |
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drugs that slow down the activity of the central nervous system are called? |
depressants |
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which cells in the immune system identify pathogens and distinguish one pathogen from another? |
t-cells |
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why do hormones cause changes only in specific body organs? |
a hormone only interacts with target cells which fit together with that hormone. |
