Yes, cavity is a noun. It means a hole or hollow area.
The word cavities is a plural noun. The singular is cavity.
No, the word 'alveoli' (the plural form of the noun alveolus) is a common noun, a general word for any small, angular cavity, pit, or hollow.
The collective noun is a buildup of plaque.
The word cave can be a noun and a verb. The noun form is a large cavity formed underground. The verb form means to surrender.
The Thoracic Cavity
The thoracic cavity is superior to the abdominopelvic cavity.
The pelvic cavity is inferior to the abdominal cavity.
Chest cavity
The abdominopelvic cavity. Also, a little bit of the thoracic cavity.
Thoracic cavity indicates your chest , the Abdominal cavity indicates your abdomen INFERIOR means under .Your chest is above your abdomen hence the thoracic cavity is SUPERIOR to the Abdominopelvic cavity.
The word 'fill' is both a verb and a noun.The noun 'fill' is a singular, common, concrete noun; a word for a quantity that suffices or satisfies; material used to pack into a container, cavity, passage, or low place; a word for a thing.The noun forms of the verb to 'fill' are filler and the gerund, filling.
The diaphragm divides the thoracic cavity from the abdominopelvic cavity.