Can you identify the organs that are in the following cavities?
a. Thoracic cavity - heart, thymus, esophagus, blood vessels, nerves, bronchi, trachea, pleura, and lungs
b. Cranial cavity - brain, meninges of the brain, and cerebrospinal fluid
c. Abdominal cavity - stomach, intestines, liver, spleen, pancreas, and kidneys
d. Pelvic cavity - urinary bladder, part of the large intestine, and the internal reproductive organs
e. Mediastinum - heart, great vessels, trachea, and essential nerves