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Body Cavities and Membranes. Body Cavities. 2 main cavities Ventral Cavity Dorsal Cavity. The Ventral Cavity. Thoracic Cavity Pleural Cavity Containing the right and left lungs Pericardial Cavity Containing the heart. Ventral Cavity. Abdominal Cavity Contains digestive organs.
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Body Cavities • 2 main cavities • Ventral Cavity • Dorsal Cavity
The Ventral Cavity • Thoracic Cavity • Pleural Cavity • Containing the right and left lungs • Pericardial Cavity • Containing the heart
Ventral Cavity • Abdominal Cavity • Contains digestive organs
Dorsal Cavity • Cranial Cavity • Containing the Brain • Vertebral Canal • Containing the Spinal Cord
What are membranes?? • Thin lining or covering of organs
Types of Membranes • Mucous Membranes • Lines the tubes of digestive, respiratory, urinary, and reproductive systems • Secrete mucous for protection
Types of Membranes • Serous membranes • Line thoracic and abdominal cavities • Secrete watery fluid to keep organs lubricated • Provides support and compartmentalizes organs
Types of Membranes • Synovial membranes • Line freely movable joint cavities • Secrete fluid to lubricate ends of bones
Types of Membranes • Meninges • Protective covering for brain and spinal cord