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Body Cavities and Membranes

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 and Membranes

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  1. Body Cavities and Membranes

  2. Body Cavities • 2 main cavities • Ventral Cavity • Dorsal Cavity

  3. The Ventral Cavity • Thoracic Cavity • Pleural Cavity • Containing the right and left lungs • Pericardial Cavity • Containing the heart

  4. Ventral Cavity • Abdominal Cavity • Contains digestive organs

  5. Dorsal Cavity • Cranial Cavity • Containing the Brain • Vertebral Canal • Containing the Spinal Cord

  6. Where is Susie’s Thoracic Cavity?

  7. Where is Susie’s Pleural Cavity?

  8. Where is Susie’s Abdominal Cavity?

  9. What are membranes?? • Thin lining or covering of organs

  10. Types of Membranes • Mucous Membranes • Lines the tubes of digestive, respiratory, urinary, and reproductive systems • Secrete mucous for protection

  11. Types of Membranes • Serous membranes • Line thoracic and abdominal cavities • Secrete watery fluid to keep organs lubricated • Provides support and compartmentalizes organs

  12. Types of Membranes • Synovial membranes • Line freely movable joint cavities • Secrete fluid to lubricate ends of bones

  13. Types of Membranes • Meninges • Protective covering for brain and spinal cord

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