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INTRO. TO ANATOMY & PHYSIOLOGY Chapter 1. Functions of all Living Things 1. Organization 2. Metabolism 1.Absorb materials Digestion Digestion 2.Respiration.

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Presentation on theme: "INTRO. TO ANATOMY & PHYSIOLOGY Chapter 1. Functions of all Living Things 1. Organization 2. Metabolism 1.Absorb materials Digestion Digestion 2.Respiration."— Presentation transcript:

1 INTRO. TO ANATOMY & PHYSIOLOGY Chapter 1

2 Functions of all Living Things 1. Organization 2. Metabolism 1.Absorb materials Digestion Digestion 2.Respiration Circulation Circulation 3.Excretion 3. Responsiveness 4. Growth 5. Development 6. Reproduction

3 Anatomy & PhysiologyGross DevelopmentalMicroscopic Physiology Surface Specialty Systemic Regional Embryology Congenital Defects Cell Histophysiology System Pathological Cytology Histology Medical Radiographic Surgical

4 Levels of Organization Chemical/ Molecular Cellular Tissue Organ System Organism

5 11 Major Organ Systems 1. Integumentary 2. Skeletal 3. Muscular 4. Lymphatic 5. Respiratory 6. Digestive 7. Nervous 8. Endocrine 9. Cardiovascular 10. Urinary 11. Reproductive

6 Frame of Reference Superficial Anatomy 1. Anatomical Landmarks  Anatomical Position -Supine- face up -Prone- face down 2. Anatomical Regions  Abdominopelvic quadrants (R/L- U&LQ)  Abdominopelvic regions (9)

7 Frames of Reference Superficial Anatomy 3. Anatomical Directions a. Front: ventral, anterior b. Back: dorsal, posterior c. Head: cranial, cephalic, superior d. Tail: caudal, inferior e. Medial: close to long axis f. Lateral: away from long axis g. Proximal: toward attached base h. Distal: away from attached base

8 Sectional Anatomy Human Planes & Sections 1. Transverse/ Cross sxn  Inf & sup 2. Frontal/ Coronal  Ant/ ventral from post/ dorsal (animal: Ven/ Dl) 3. Sagittal  Right from left  Mid Sagittal

9 Body Cavities 1. Cavity: organ chambers 2. Functions: a)Protects & cushions b)Organ size/ shape changes 3. Dorsal Body Cavity a)Cranial b)Spinal 4. Ventral Body Cavity a)Thoracic- diaphragm  Pleural  Pericardial  Mediastinum b)Abdominopelvic/ Peritoneal  Abdominal  Pelvic

10 Serous membranes  Membranes that line trunk cavities and cover the organs in those cavities  Two layers  VISCERAL: Inner layer in contact with organ  PARIETAL: OUTER PART OF WALL  Space in between usually filled with fluid  Balloon model

11 Homeostasis & System Integration 1. Homeostasis:  Systems maintain stable internal envmt A. Negative Feedback (temperature, insulin)  Oppose altered conditions  Autoregulation- automatic change  Extrinsic regulation- nervous or endocrine response when autoreg. fails B. Positive Feedback (clotting, labor)  Reinforces stimulus/ conditions C. Disease  Homeostasis regulation breaks down

12 Negative & Positive Feedback Negative Feedback Positive Feedback

13 Clinical Technology 1. X-Rays  High energy radiation 2. CT (Computerized Tomography) Scans  3D image by rotating x-ray source 3. MRI (Magnetic Resonance Imaging)  Magnetic field & radio waves 4. Ultrasound (AKA Sonogram)  High freq. sound waves


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