Skeletal System

Skeletal System 7th

Skeletal Doodle Notes

Protection

• The skeletal system provides bony protection for soft, internal organs.

Multiple Choice

What bone protects the brain?

• Thorax

• Brain

• Ribs

• Skull

Protection

• The thorax (sternum, ribs, and spine) protect the heart, lungs, and other organs.

Multiple Choice

The skeletal system provides _______, so that your body can be upright.

• Muscles

• Framework

• Movement

Framework

• The framework provides attachment points for muscles, tendons, ligaments, skin and organs.

• Bones such as the femur in the legs bear the weight of the upper body.

• The spinal column makes the body straight and supports the head.

Multiple Choice

The spongy stuff in the middle of large bones is called ________.

• Cartilage

• Bone Marrow

• Tendon

Supply

• Larger bones of the skeletal system contain MARROW.

• Red marrow is responsible for the production of red blood cells that are responsible for carrying oxygen to body tissues.

• White blood cells are also produced that are important for the body immune system.

Movement

• The skeletal system provides a framework for muscles to attach.

• When they contract they PULL on the bones of the skeleton, which act like levers to create movement.

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Multiple Choice

Leg bones come together at the knee to form a ______ joint. This joint only allows the knee to move in one direction.

• Ball & Socket

• Hinge

• Gliding

• Pivot

Multiple Choice

The hip is a _________ joint which allows movement in multiple directions.

• Hinge

• Ball & Socket

• Gliding

• Pivot

Multiple Choice

What is another example of a ball & socket joint.

• Shoulder

• Knee

• Ankle

Joints

• Gliding joints glide over one another an example is your wrist and ankles.

• Pivot joints move left and right and up and down for example their head

Open Ended

How would things be more difficult if we didn't have joints?

Multiple Choice

Bones protect your?

• Skin

• Internal Organs

• Thoughts

• Muscles

Multiple Choice

Bone ______ is found in the larger bones of the skeletal system and produces blood cells.

• Cartilage

• Marrow

• Calcium

Multiple Choice

Muscles contract and pull on bones which in turn, act as _____ to produce movement.

• Levers

• Storage Centers

Open Ended

Five main roles of the skeletal system are?

Multiple Choice

What function of the skeletal system would be especially important if you were involved in a car accident?

• Supply

• Protection

• Movement

Multiple Choice

What other system might white blood cells play an important role?

• Digestive

• Endocrine

• Immune

• Excretory