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science 3..2

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
what is the term for a group of organs that function together as a unit to perform a definite job for the body?   system  
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what fluid transports oxygen to various parts of the body?   blood  
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which blood vessels carry blood away from the heart?   arteries  
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What is the mixing of gas or liquid molecules?   diffusion  
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What liquid helps to keep the body's cells clean and balanced with water?   tissue fluid  
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Through which part of the respiratory system does air generally travel first?   nasal cavity  
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Name the largest internal organ of the body?   Liver  
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Which body system removes liquid and soluble waste products from the body?   urinary system  
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Which layer of the skin contains many sweat glands, sebaceous glands, and hair follicles?   dermis  
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Name the soft , fatty system of vessels found in the porous center of a long bone.   marrow  
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Which type of muscles keep on doing their jobs whether you are conscious of their functioning or not ?   involuntary muscles  
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Name the chemical substances that control growth, digestion, and many other activities of the body?   hormones  
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Name the two major divisions of the nervous system,   central nervous system, peripheral nervous system  
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