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                              Q:
                           
                           
                                                      | A) Diaphragm | B) Liver | 
| C) Lungs | D) Heart | 
                              Answer:   A) Diaphragm
                              
                                                            
                              
Explanation:
                               
                           
                           Explanation:
A Dome-shaped, muscular and membranous structure that separates as a partition of the thoracic and abdominal cavities is Diaphragm.
                                               
Thoracic or chest cavity :: It is the cavity where the heart and lungs are present. It is the second largest hallow space in the body.It also has vertebral column, ribs, breast bone,...
Abdominal cavity :: It is the cavity where the digestive tract, liver, kidneys, the spleen, pancreas,... are located. It is the largest hallow space of the body.
 
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