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Biology Chapters 15, 16, & 17

Erica

1
2  
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  4    
5                    
     
     
6   7
8                    
     
9 10            
       
    11            
       
12                  
     

Across
5.the organ system that moves oxygen into the body and carbon dioxide out of the body
8.the organ system that moves blood throughout the body
10.a large organ that produces bile
11.the part of the brain that controls involuntary functions
12.the organ system that removes wastes from the body
Down
1.a blood vessel that carries blood away from the heart
2.a type of chemical messenger in the body that is produced by endocrine glands
3.a liquid in the mouth that helps digestion
4.an organ that stores bile
6.the process by which the body breaks down food into nutrients that can be absorbed by cells
7.the organ system that returns fluid lost by blood to the circulatory system
9.an automatic and involuntary response to an outside stimulus

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