ventricles
The cavities housing the eyes are called eye sockets or orbits. They protect and support the eyes within the skull.
In your mouth cavities are found in your teeth if you do not look after them properly, these are called 'dental cares'.
Ventricles, and there are 4 of them
Sinuses
The heart.
Vacuoles
often called Sinuses
sinuses.
Sinuses
nothing just scared idiot
The space medial to the pleural cavities is called the mediastinum. It contains vital structures such as the heart, major blood vessels, esophagus, and trachea.
The cavities of the brain are called ventricles. These ventricles contain Cerebro Spinal Fluid to help aid in the filtration of the blood.