The given question is incorrect. The correct question is:
Question: The thoracic cavity contains the ________. it is found ________ to the vertebral cavity.
a) digestive viscera: inferior
b) kidneys and spleen: deep
c) stomach and liver: superficial
d) heart and lungs: anterior
Answer:
d) heart and lungs: anterior
Explanation:
The thoracic cavity is one of the major body cavities. The thoracic cavity is also called the chest cavity. It is formed by the ribs, the chest muscles, the sternum (breastbone), and the thoracic portion of the vertebral column. It is present in the anterior to the cavity formed by the spine to house the spinal cord. The pericardial cavity is the fluid-filled space of the thoracic cavity present around the heart. The thoracic cavity also has two pleural cavities to house the lungs. 
 
        
                    
             
        
        
        
<u>Cell culture i</u>s the method applied by scientists to grown, cells in the laboratory setting to study the cells for particular reasons.
Explanation:
Cell culture is basically a method for survival, reproduction etc which are done under controlled conditions in the space outside the environment. This is also used for data mining.
 Purpose: Cell culture is used for propagation of virus 
Advantages:
- Vaccine production by replication of virus
- Detection of viral cell of virus
- Convenient easy and economical method
Disadvantages
- Maintenance of sterile aseptic conditions.  
- Increases microbial contamination
- Cross contamination takes place
 
        
             
        
        
        
Before it’s about to divide