Body Cavities

Question 1

Cranial Cavity

Answer 1

houses the skull

Question 2

Dorsal cavity

Ventral cavity

Answer 2

Dorsal- posterior of the body

ventral- anterior of the body

Question 3

what’s the deal with a dorsal cavity

Answer 3

protects the fragile nervous system, part of the axial portion.

2 subdivisions:

• cranial cavity- houses the brain
• vertebral cavity or vertebral canal- houses the spinal cord

Question 4

vertebrae

Answer 4

backbone

Question 5

what’s the deal with the ventral cavity?

Answer 5

Houses the internal organs called the viscera.

2 subdivisions, which are separated by the respiratory diaphragm:

• Thoracic cavity- houses heart and lungs
• abdominopelvic cavity- houses the abdominal cavity and the pelvic cavity

Question 6

what’s the deal with the thoracic cavity?

Answer 6

two pleural cavities that house one lung separated by the mediastinum(in the middle of the lungs).

Mediastinum- contains the pericardial cavity(which contains the heart) and other remaining thoracic organs(esophagus, trachea, and thymus gland)

Question 7

What’s the deal with the abdominopelvic cavity?

Answer 7

Subdivision of the ventral cavity separated from the thoracic cavity by the diaphragm.

contains 2 cavities:
- abdominal cavity- contains the stomach, liver, intestines, and spleen, gallbladder, kidneys.

• pelvic cavity- contains the urinary bladder, terminal portion of the large intestine, internal reproductive organs, rectum.