B. the intensity o stimulus and the observer's criteria.
        
                    
             
        
        
        
All fibers of the semimembranosus muscle are converged to insert on the posterior tibia.  
Semimembranosus muscle is amongst the hamstring muscles that are present in the posterior region of the thighs. These are the muscles responsible for the extension of the hips and flexion of the knee. The innervation to this muscle is provided by the tibial nerve. 
Tibia is also called the shinbone. It is one of the two bones of the lower leg.  The bone carries the maximum of the body's weight and gains support from the fibula, the other bone of the lower leg. Tibia is also the most commonly fractured bone in maximum people. 
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The second law of thermodynamics is a statement of the law of conservation of energy say that heat cannot be completely converted into mechanical energy  
        
             
        
        
        
C.they separate atria from ventricles, and ventricles from the large arteries that leave them.
        
             
        
        
        
The arctic/polar biome
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