Skeletal System

1. Skeletal System
Damnjanović Ivana

2. ExoskeletonEndoskeleton

3. • Exoskeleton
– Rigid, external covering with muscles attached at
inner surface
– Arthropod chitin exoskeleton
• Thin and flexible at joints
• Secreted by living cells
• Must be molted periodically, leaving the
animal unprotected
– Mollusc calcium carbonate exoskeleton
• Enlarges by adding to outer edge

5. LE 30-2c
Mantle
Shell (exoskeleton)

6. • Endoskeleton
– Hard or leathery supporting elements situated
among the soft tissues
– Vertebrate skeleton consists of cartilage or
combination of cartilage and bone

8. Skin Skeleton
Inner Skeleton

9. Skin Skeleton

10. Teeth
Gleđ

11. Inner Skeleton

12. Skeletal System
-vertebrata
 Function
Provides frame and support for all systems
and organs.
 Cartilage
Flexible tissues that is not as hard as bone
Hrskavica

13. Skeletal System
 Bone
Attach muscles
Means of movement
Protect internal organs
Storage of minerals

14. Vratni
region
Grudni region
Slabinski regionKrstačni
region
Repni
region

15. Vratni
pršljeni
Ramenski
pojas
Grudni pršljeni
Slabinski pršljeni
Krstačni
region
Rep
Karlični
pojas
Rebra
Grudna kost

17. Vertebral Column
Vratni pršljeni
Grudni pršljeni
Slabinski pršljeni
Krstačni pršljeni
Repni pršljeni

19. Trbušni region Trupni region

20. Grudni koš
-rebra,
-leđni deo
kičmenice i
-grudna kost

21. Ramenski pojasKarlični pojas

22. Ramenski pojas

23. • Karlični pojas (3 parne kosti-
srasle u karlicu)
• Noge ( natkolenice, potkolenice i
stopala)
• Zglob kuka
• Koleno
Preponjača
Sednjača
Bedrenjača
Golenjača
Butna kost
Listnjača

24. Skeletal System
Joints
Where different bones meet
Ligaments
Connect bones together; tough tissue

25. Hinge Joint

26. Skull

27. Hvala na pažnji :)