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Basics of Anatomy and Physiology

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1 Basics of Anatomy and Physiology
Amy L. Beard

2 Levels of Organization

3 Body Cavities – not the ones in your teeth
Dorsal Cavity – Cranial Cavity and Vertebral Canal Ventral Cavity – Thoracic Cavity, Diaphragm and Abdominopelvic Cavity Oral Cavity Nasal Cavity Orbital Cavities Middle Ear Cavities

4 More Cavities Abdominopelvic Cavity – Abdominal and Pelvic Cavities
Synovial Cavity – surrounds freely moveable joints

5 Pictures of Cavities – How many faces do you see?


7 What organs belong to which cavity?
Thoracic Cavity – Heart, lungs Abdominal Cavity – Stomach, liver, spleen, gall bladder, kidneys, most of small and large intestines Pelvic Cavity - Terminal portion of the large intestine, urinary bladder, internal reproductive organs


9 Ventral Cavity Cranial Cavity Diaphragm Abdominal Cavity Pelvic Cavity
Pericardial Cavity Pleural Cavity Mediastinum Thoracic Cavity Vertebral Canal

10 Dorsal Cavity Cranial Cavity Diaphragm Pelvic Cavity Abdominal Cavity
Vertebral Canal Thoracic Cavity

11 Body Planes Sagittal Transverse Coronal - Frontal Oblique

12 Body Sections Axial – Head, Neck and Trunk
Appendicular – Upper and Lower Limbs Axial Appendicular

13 Relative Positions Anatomical Position – Standing erect, face and plams are facing forward Superior Inferior Anterior Posterior Medial Lateral Proximal Distal Superficial Deep

14 Protective Membranes Serosa (serous membrane) – covers the walls of the ventral cavity and the outer sufraces of organs Parietal Serosa – lines the cavity walls – this folds on itself to form the Visceral Serosa, covering the organs in the cavity Serous fluid – separates serous membranes – not air

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