Answer:
aorta
Explanation:
The aorta and its branches carries the blood to all the body's tissues.
 
        
                    
             
        
        
        
Of lower concentration and higher concentration
        
                    
             
        
        
        
Explanation:
the name porifera means pore bearer in latin. a sponges body is covered by a skin, one cell thick. this skin has lots of small pores ad a few large openings. the small openings are the entrances to a complex system of channels. these collar cells pump water through the entire sponge and filter out food for the sponge cell to eat
 
        
             
        
        
        
Glycolysis does not need any oxygen to function