The skeletal system is the body's framework, consisting of bones, cartilage, and ligaments that provide structure, support, and protection for vital organs. An adult human has 206 bones, which serve various functions including movement, mineral storage, and housing blood cell production in bone marrow. It is important to maintain bone health through nutrition, exercise, and awareness of common injuries.

1. Skeletal System: The Framework of Our Body

2. What is the Skeletal
System?
● The skeletal system is made up of bones,
cartilage, and ligaments.
● It provides structure and support to our
body.
● It protects vital organs like the heart and
brain.

3. How Many Bones Do
We Have?
● An adult human has 206 bones.
● Babies are born with about 270 bones, but
some fuse together as they grow.
● Can you name some bones in your body?

4. Types of Bones
● There are four main types of bones:
● Long bones (like the femur)
● Short bones (like the wrist bones)
● Flat bones (like the skull)
● Irregular bones (like the vertebrae)

5. Functions of the
Skeletal System
● Supports the body and gives it shape.
● Protects internal organs.
● Allows movement by providing a
framework for muscles.
● Stores minerals like calcium and
phosphorus.

6. Bone Structure
● Bones are made up of living tissue.
● They have a hard outer layer and a
spongy inner layer.
● The center of bones contains bone
marrow, which produces blood cells.

7. Joint Types
● Joints are where two bones meet.
● There are three main types of joints:
● Hinge joints (like the knee)
● Ball-and-socket joints (like the shoulder)
● Pivot joints (like the neck)

8. How Do Bones Grow?
● Bones grow in length and thickness.
● Growth plates at the ends of bones allow
them to grow.
● Nutrition and exercise are important for
healthy bone growth.

9. Common Bone Injuries
● Fractures (broken bones)
● Sprains (ligament injuries)
● Dislocations (bones coming out of joints)
● How can we prevent these injuries?

10. Keeping Your Bones Healthy
● Eat foods rich in calcium (like milk and cheese).
● Get enough vitamin D from sunlight or supplements.
● Exercise regularly to strengthen bones and muscles.

11. Interesting Facts About
Bones
● The smallest bone in the body is in the ear
(stapes).
● Bones are constantly being broken down
and rebuilt.
● Did you know that your bones are
stronger than steel?

12. How the Skeletal System
Works with Other Systems
● The skeletal system works with the
muscular system for movement.
● It protects organs in the circulatory and
respiratory systems.
● How do you think these systems help
each other?

13. Review: What Have We Learned?
● The skeletal system is essential for support, protection, and
movement.
● It consists of bones, joints, and cartilage.
● What is your favorite fact about the skeletal system?

14. Questions and
Discussion
● What questions do you have about the
skeletal system?
● Can you think of any activities that help
keep our bones strong?
● Let's discuss what we learned today!

15. Thank You!
● Thank you for learning about the skeletal
system!
● Remember to take care of your bones
every day!