Body Cavities

Question 1

Cranial cavity

Answer 1

Enclosed by skull; holds brain

Question 2

Vertebral cavity

Answer 2

Enclosed by vertebrae holds spinal cord
-the cranial and vertebral cavities are collectively known as the dorsial cavities

Question 3

Thoracic cavity

Answer 3

Enclosed by ribs and diaphragm
Diaphragm: main muscle of respiratory system- serves as border between thoracic and abdominal cavity

Question 4

Mediastinum

Answer 4

Central part of thoracic cavity which includes the pericardial cavity as well as other organs such as the esophagus and the trachea
Pericardial cavity- contains heart
Pleural cavities- lateral parts of thoracic cavity contains lungs

Question 5

Abdominopelvic cavity

Answer 5

Enclosed by diaphragm and abdominal muscles

Question 6

Abdominal cavity

Answer 6

Superior abdominopelvic cavity
Contains most of the digestive organs along with the kidney and spleen

Question 7

Pelvic cavity

Answer 7

Inferior abdominopelvic cavity
Contains rectum, bladder, most of the reproductive organs
- thoracic and abdominopelvic cavities are collectively known as the ventral cavities