Body Cavities and Organ Systems

Body Cavities

• Divided into dorsal and ventral cavities
  • Dorsal: cranial and spinal cavities (vertebral canal)
  • Ventral: thoracic, abdominal and pelvic cavities (abdominopelvic cavity)
• Throacic cavity subdivided into 3:
  • Pericardial cavity (around the heart)
  • Pleural cavity (around the lungs)
  • Mediastinum cavity (between lungs and backbone)

Organ Systems

• Integrement system: skin and structures derived from skin
  • hair, nails, sweat glands and oil glands
• Skeletal system: bones and joints of the body and their associated cartilages
• Muscular system…