Photo receptors are attached to the retina and are most numerous specifically at the fovea
        
                    
             
        
        
        
An example of the liver is an organ.
The liver is positioned on the right side of our stomach, and is colored reddish-brown. The liver aid us to get rid of damaging substances and benefits us to keep the body natural of contamination. The liver also is treated as a gland, due to generating bile (needed to consume fats). The liver can likewise help us wipe out aged blood cells, eliminates unhealthy substances such as alcohol and narcotic types, and also serves in balancing iron and vitamins in us. 
        
                    
             
        
        
        
All large radioactive atoms decay into smaller atoms by emitting alpha particles which consists of two protons and two neutrons. An alpha particle can also be thought of as the nucleus of a helium atom and as such they are sometimes referred to as He2+ . The positive charge is due to the lack of two electrons. 
        
                    
             
        
        
        
Answer:
they are chambers located below the two atria.
the right ventricle receives deoxygenated blood whereas the left receives oxygenated blood which opens up into the aorta
 
        
             
        
        
        
Not really sure but I think is that rodents mate randomly but wait for someone else to answer cause I’m not 100% sure