SKELETAL SYSTEM
The Skeleton makes up almost one-fifth
of the body’s weight. Without this inner
Division Of The
Skeleton
framework, all other parts and tissues
would collapse.
The skeleton is divided into
two main parts:
The human skeleton typically has
206 bones, though
variations can occur.
small Axial
Bone is a living, active tissue Forms the central axis of
composed of about 22% water. the body.
It is strong, lightweight, and 80 Bones
flexible, allowing support and Includes:
movement. VERTEBRAL
(SPINAL) COLUMN
Bone Functions and
Properties SKULL
Bones can repair themselves STERNUM
after injury.
They can remodel and RIBS
strengthen in response to
stress (such as exercise or
weight-lifting).
Appendicular
Responsible for movement and
This adaptability helps
limb function.
maintain durability over time.
126 Bones
Key Idea Includes:
The skeleton is not just Upper Appendicular (64 bones):
structural. It is dynamic, shoulders, arms, wrists, hands
adaptable, and capable of
self-repair, making it essential
for both support and
Lower Appendicular (62 bones):
movement
hips, legs, ankles, feet
Personal Notes
Notes taken before, during,
and after class sessions
Pictures are from Pinterest
DISCLAIMER: These notes are based on information gathered from lectures, textbooks, and various online sources. They are
intended for educational and study purposes only and may not represent complete or fully comprehensive material.
Accuracy is not guaranteed, and it is recommended to consult original sources or instructors for clarification when needed.
The Skeleton makes up almost one-fifth
of the body’s weight. Without this inner
Division Of The
Skeleton
framework, all other parts and tissues
would collapse.
The skeleton is divided into
two main parts:
The human skeleton typically has
206 bones, though
variations can occur.
small Axial
Bone is a living, active tissue Forms the central axis of
composed of about 22% water. the body.
It is strong, lightweight, and 80 Bones
flexible, allowing support and Includes:
movement. VERTEBRAL
(SPINAL) COLUMN
Bone Functions and
Properties SKULL
Bones can repair themselves STERNUM
after injury.
They can remodel and RIBS
strengthen in response to
stress (such as exercise or
weight-lifting).
Appendicular
Responsible for movement and
This adaptability helps
limb function.
maintain durability over time.
126 Bones
Key Idea Includes:
The skeleton is not just Upper Appendicular (64 bones):
structural. It is dynamic, shoulders, arms, wrists, hands
adaptable, and capable of
self-repair, making it essential
for both support and
Lower Appendicular (62 bones):
movement
hips, legs, ankles, feet
Personal Notes
Notes taken before, during,
and after class sessions
Pictures are from Pinterest
DISCLAIMER: These notes are based on information gathered from lectures, textbooks, and various online sources. They are
intended for educational and study purposes only and may not represent complete or fully comprehensive material.
Accuracy is not guaranteed, and it is recommended to consult original sources or instructors for clarification when needed.
