1. The main cavities of the body include the dorsal and ventral cavities. List the cavities in each of these cavities.  2. After falling off her scooter, an old lady hurt her sacral, cervical, and...

1. The main cavities of the body include the dorsal and ventral cavities. List the cavities in each of these cavities.

 2. After falling off her scooter, an old lady hurt her sacral, cervical, and carpal regions. Please explain to her in general terms which parts of her body have been affected.

3. The human body is designed as a cavity within a cavity. (a) List two serous cavities inside the thoracic cavity. (b) Name the serous membranes lining these serous cavities. (c) What is the major function of these serous cavities?