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Asked Sep 2, 2019
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anathomy and physiolygy 2nd edition Lab

my question:

  • Body cavities & serous membranes?

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Expert Answer

Step 1

A body cavity is any space or compartment in the body, which accommodate body fluids, organs, and other structures. Humans have four body cavities. They are:

1. Dorsal body cavity that encloses the brain and spinal cord

2. Thoracic cavity that encloses the heart and lungs

3. Abdominal cavity that encloses most of the digestive organs and kidneys

4. Pelvic cavity that encloses the bladder and reproductive organs.

Step 2

Serous membrane is a smooth tissue membrane that consists of two layers of mesothelium and secretes serous fluids. The outer layer of the serous membrane, known as the parietal layer, is made up of epithelial cells and lines the body cavity. The outer layer o...

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