Form the rib cage, protecting the heart and lungs.
Appendicular Skeleton:
Pectoral Girdle (Shoulders):
Connects the forelimbs to the axial skeleton.
Pelvic Girdle (Hips):
Connects the hind limbs to the axial skeleton.
Limbs:
Bones of the arms and legs, allowing for movement.
3. Functions of the Skeleton:
Support:
Provides a rigid framework that maintains the body's shape and posture.
Protection:
Shields vital organs from injury (e.g., skull protects the brain, ribs protect the heart and lungs).
Movement: Bones act as levers, working with muscles to produce movement.
Mineral Storage: Bones store minerals like calcium and phosphorus, which can be released into the bloodstream when needed.
Blood Cell Formation
(Hematopoiesis):
Red marrow within some bones produces red blood cells, white blood cells, and platelets.
Fat Storage: Yellow marrow in bones can store fat.
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