THE MUSCULOSKELETAL SYSTEM.
CNA JANUARY 2025.
The musculoskeletal system is divided into three:
1. The skeleton
2. The muscles.
3. The joints.
The Skeleton.
It is divided into two:
• Axial skeleton: head, neck, trunk.
• Appendicular skeleton: Upper limbs, lower limb.
,
, Functions of the skeleton.
• Locomotion.
• Body support.
• Protection of internal body organs.
• Storage of minerals.
• Blood cell formation.
The Bones.
• Bones are living tissue that make up the skeleton
and support the body.
• They are made of proteins, minerals, and bone cells.
• The bone is the hardest part of the body.
• The human skeleton is made up of abt 206 bones.
CNA JANUARY 2025.
The musculoskeletal system is divided into three:
1. The skeleton
2. The muscles.
3. The joints.
The Skeleton.
It is divided into two:
• Axial skeleton: head, neck, trunk.
• Appendicular skeleton: Upper limbs, lower limb.
,
, Functions of the skeleton.
• Locomotion.
• Body support.
• Protection of internal body organs.
• Storage of minerals.
• Blood cell formation.
The Bones.
• Bones are living tissue that make up the skeleton
and support the body.
• They are made of proteins, minerals, and bone cells.
• The bone is the hardest part of the body.
• The human skeleton is made up of abt 206 bones.