1. Caawiye Member

    The human body has several body cavities, which are spaces within the body that contain and protect internal organs. Each cavity is lined by a membrane, which serves to reduce friction between the organs and the surrounding structures. The major body cavities and their associated membranes include:

    Cranial cavity: The cranial cavity is located within the skull and contains the brain. The membrane that lines this cavity is called the meninges.

    Spinal cavity: The spinal cavity is a narrow, elongated space within the spinal column that contains the spinal cord. The meninges also line this cavity.

    Thoracic cavity: The thoracic cavity is located within the chest and is separated from the abdominal cavity by the diaphragm. It contains the heart and lungs, as well as other structures such as the esophagus and major blood vessels. The membrane that lines the thoracic cavity is called the pleura, which surrounds the lungs, and the pericardium, which surrounds the heart.

    Abdominal cavity: The abdominal cavity is located within the abdomen and contains the digestive organs, such as the stomach, intestines, liver, and pancreas. The membrane that lines the abdominal cavity is called the peritoneum.

    Pelvic cavity: The pelvic cavity is located within the pelvis and contains the reproductive organs, bladder, and rectum. The membrane that lines the pelvic cavity is also called the peritoneum.

    In addition to these major cavities, there are other smaller cavities within the body, such as the nasal cavity, oral cavity, and orbital cavities, which are lined by mucous membranes. These membranes secrete mucus, which helps to protect and lubricate the associated structures.

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