What are two main parts of the skeleton? What are their functions?
The human skeleton is divided into two main parts: the axial skeleton and the appendicular skeleton.
Axial Skeleton:
- Consists of the skull, spine, and rib cage.
- Functions:
- Protects vital organs (brain, heart, lungs) from injury.
- Provides structural support for the body.
- Allows for movement (e.g., bending, twisting).
Appendicular Skeleton:
- Includes the bones of the arms, legs, hands, and feet.
- Functions:
- Supports the limbs and allows for movement.
- Protects nerves and blood vessels within the limbs.
- Allows for locomotion and manipulation of objects.
Related Questions and Answers:
- What is the function of the spine?
- Supports the body, protects the spinal cord, and allows for movement.
- How many bones are in the human skeleton?
- Approximately 206.
- What is the strongest bone in the body?
- The femur (thigh bone).
- What is the function of the rib cage?
- Protects the heart, lungs, and other vital organs.
- What is the role of the appendicular skeleton in locomotion?
- Supports and enables movement of the limbs for activities like walking and running.
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