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EXTERNAL ANATOMY. Nictitating Membrane 3 rd eyelid Protection from dirt, dry air & predators.

Published byClara Shepherd Modified over 8 years ago

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Presentation on theme: "EXTERNAL ANATOMY. Nictitating Membrane 3 rd eyelid Protection from dirt, dry air & predators."— Presentation transcript:

1 EXTERNAL ANATOMY

2 Nictitating Membrane 3 rd eyelid Protection from dirt, dry air & predators

3 EYE

4 THE SKELETAL SYSTEM

5 FUNCTIONS OF BONE Structure & Support Protection Formation of Red Blood Cells Storage Site Ca & P Movement: – Attachment of muscles & tendons

6 JOINTS Immobile (fixed) joints Bones are fused together Called “sutures” Skull Pelvis

7 JOINTS (Cartilaginous) Slightly Mobile Joints Allow limited movement Bones separated by cartilage – acts as shock absorber

8 JOINTS SYNOVIAL (MOBILE) JOINTS Full range of motion Ligaments attached Lubricated w/ fluid Types: – Ball & socket (hip/shoulder) – Pivot (neck) – Hinge (kness/elbow) – Glide/sliding – wrist/ankle

9 RIBS True Ribs: vertebrae  sternum False Ribs: vertebrae  cartilage Floating Ribs: vertebrae 

10 SKELETAL DIFFERENCES Pigs: Premaxilla  snout Caudal vert  tail Humans: Clavical  shoulder Coccyx  tailbone

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