The Skeletal System

Gaiser Life Science

KnowWhat are the functions of the skeletal system? (There are five of them.)

Evidence

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The skeletal System

“I don’t know any.” is not an acceptable answer.Use complete sentences.

After listening to the PowerPoint lecture, come back here and list evidence to explain why your answer to the above question is or is not a good answer. You may also use other outside sources to help you respond.

Clarifying ?s Information

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Function

Bone strength Can absorb more load than concrete without breaking, but makes up only 20% of the body’s weight.

1. Shape & support 2. Movement3. Protect internal organs 4. Produces blood cells

Bones contain cells and tissue. New bone tissue forms as you grow.

Joints of skeleton

1. Immovable

2. Movable

Bone growth

Example: Skull (sutures)

Example: knee

The skeletal System

5. Stores materials until body needs them

A. hinge joint – forward/backward

B. Ball & socket – large range of motionExample: shoulder

allows little or no movement

Clarifying ?s Information

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Summary:

The skeletal System

Example: shoulder

Example: neckC. Pivot – one bone rotates around another

Example: ankleD. Gliding – bone slides over bone

Bone care 1. Balanced dietCalcium & phosphorusExample: milk, whole grains, leafy green veggies, eggs, and meatExercise and aerobic activitiesExamples: running, bicycling, basketball, skating, swimming, soccer, walking, and others

Bone structure

1. Compact bone 2. Spongy bone

3. Outer membrane 4. Bone marrow

5. Canals 6. Blood vessels

Clarifying ?s InformationThe skeletal System

Function

Bone strength Can absorb more load than concrete without breaking, but makes up only 20% of the body’s weight.

1. Shape & support 2. Movement3. Protect internal organs 4. Produces blood cells

Bones contain cells and tissue. New bone tissue forms as you grow.

Joints of skeleton

1. Immovable

2. Movable

Bone growth

Example: Skull (sutures)

Example: knee

5. Stores materials until body needs them

A. hinge joint – forward/backward

B. Ball & socket – large range of motionExample: shoulder

allows little or no movement

Clarifying ?s Information

Summary:

The skeletal System

Example: neck

D. Gliding – bone slides over bone

Bone care 1. Balanced dietCalcium & phosphorusExample: milk, whole grains, leafy green veggies, eggs, and meatExercise and aerobic activitiesExamples: running, bicycling, basketball, skating, swimming, soccer, walking, and others

Bone structure

1. Compact bone 2. Spongy bone

3. Outer membrane 4. Bone marrow

5. Canals 6. Blood vessels

C. Pivot – one bone rotates around another

Example: ankle

This PowerPoint was created from Charlene Shea’s lecture notes by Tim This PowerPoint was created from Charlene Shea’s lecture notes by Tim Paterek. It is copyrighted and may not be reproduced outside the Paterek. It is copyrighted and may not be reproduced outside the

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