What internal organs are located on the top middle section of chihuahua?

In the top middle section of a Chihuahua's body, you can find several internal organs including the heart, lungs, and parts of the digestive system such as the stomach. The heart is centrally located, providing circulation, while the lungs are positioned on either side, facilitating respiration. Additionally, the esophagus and part of the diaphragm are also present in this region, playing vital roles in digestion and breathing.