The Pezizales are an order of the subphylum Pezizomycotina within the phylum Ascomycota.
        
             
        
        
        
Answer: Blood plays a very important role before cellular respiration. The blood provides oxygenated blood for the aerobic processes that takes place during cellular respiration. Glycolysis, link reaction, Kreb's Cycle and Electron Transport Chain are all the aerobic process of Cellular respiration that requires oxygen. Without blood aerobic cellular respiration cannot occur as the source of oxygen is blood. The blood provides oxygen before cellular respiration. After cellular respiration the waste materials are carried away by blood only.
Hence, blood plays an important role before cellular respiration.
 
        
                    
             
        
        
        
Answer:
Universe
Explanation:
This should go to physics category 
The big bang theory is derived from the observed universe, and the microwave background signal that arrived to earth... 
 
        
             
        
        
        
Answer:
 They contain protein fibres that can contract when energy is available, making the cells shorter.