Skeletal System 2013JEOPARDY!!

Skeletal System Functions, Bone Shapes

Features of the Long Bone Ossification

And Remodeling

Fractures and Parts of the Skeleton

Potpourri

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and Bone Shapesand Bone Shapes

What is the role of the skeletal system does the bone marrow

fulfill?

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Blood cell production

Skeletal System Skeletal System Functions and Bone Functions and Bone

ShapesShapes

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and Bone Shapesand Bone Shapes

Because bones provide a framework for the attachment of tissues and organs, it functions to provide….

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ShapesShapes

*Support

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ShapesShapes

The skull enclosing the brain is what function of the skeletal system?

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ShapesShapes

*Protection

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4040 Skeletal System Skeletal System Functions and Bone ShapesFunctions and Bone Shapes

Bones that are longer than they are wide are called?

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*long bones

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What’s an example of an irregular bone?

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*Vertebrae

Skeletal System Functions Skeletal System Functions and Bone Shapesand Bone Shapes

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Osseous tissue is classified as what kind of tissue?

Features of the Long Bone

*Supporting connective tissue

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What lines the marrow cavity of the What lines the marrow cavity of the long bone?long bone?

Features of the Long Bone

EndosteumEndosteum

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The shaft of the long bone is called?The shaft of the long bone is called?

Features of the Long Bone

*Diaphysis*Diaphysis

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Give an example of short bones.Give an example of short bones.

Features of the Long Bone

*Carpal bones*Carpal bones*Tarsal bones*Tarsal bones

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*

Features of the Long Bone

© 2013 Pearson Education, Inc.

Figure 6-2 The Structure of a Long Bone.Articular cartilageSpongy bone

Blood vessels

Epiphyseal line

Marrow cavity

Endosteum

Compactbone

Periosteum

Proximalepiphysis

Diaphysis

Distalepiphysis

1010 Ossification and Remodeling

*What type of bone cells are dissolve and break down the bony matrix? *They are giant cells containing 50 or more nuclei

Osteoclasts

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..

Ossification and Remodeling

What are immature bone cells that produce new matrix are called?*Known as bone forming cells

OsteoblastsOsteoblasts

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What are the mature bone cells that maintain normal bone structure by recycling the calcium salts in the bony matrix around themselves.??

Ossification and Remodeling

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Osteocytes

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Replacing cartilage with bone is Replacing cartilage with bone is known as?known as?

Ossification and Remodeling

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*(Endochondral) ossification

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Place the stages of Endochondral Ossification in the correct order:

1. Blood vessels invade the inner cartilage and new osteoblasts form spongy bone at a primary ossification center

2. Chondrocytes enlarge and calcify.

3. Secondary ossification centers form in the epiphyses.

4. Osteoclasts begin to break down spongy bone in center, creating a marrow  

..

  5. Bone forms at the shaft (diaphysis) surface.

Ossification and Remodeling

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3, 1, 5, 4, 2

2, 5, 1, 4, 3

2. Chondrocytes enlarge and calcify.

5. Bone forms at the shaft (diaphysis) surface. 

1. Blood vessels invade the inner cartilage and new osteoblasts form spongy bone at a primary ossification center..

 4. Osteoclasts begin to break down spongy bone in center, creating a marrow

cavity. 

3. Secondary ossification centers form in the epiphyses. 

1010 Fractures and Parts of the Skeleton

What is a compound fracture?

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results in bone projecting through the skin.

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Skeleton

What could someone do to What could someone do to help strengthen their bones to help strengthen their bones to

prevent fractures?prevent fractures?

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*Increase calcium ingestion -raises blood calcium levels and

triggers osteoblasts to form new bone. This new formation of bone can help diminish bone decrease due to

overactive osteoclasts, making bones stronger*exercise *exercise

**ultimately will prevent osteoporosis (a decrease in the calcium content of bones which leads to bones that are weak and brittle)

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What is the axial skeleton?

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Framework for support and protection of

the brain, spinal cord, and organs in the

ventral body cavity

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What does the appendicular What does the appendicular skeleton include?skeleton include?

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*The pectoral girdle and the upper

limbs

The pelvic girdle and the lower limbs

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© 2013 Pearson Education, Inc.

Figure 6-8 The Skeleton.

Skull

Clavicle

Scapula

Humerus

Ribs

Vertebrae

Radius

Ulna

SacrumHip boneCarpalbones Coccyx

Metacarpalbones

Phalanges

Femur

Patella

Tibia

Fibula

Tarsal bones Metatarsal bones Phalanges

Anterior view Posterior view

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My name is Bond, Ionic Bond;Taken, not shared!

CellsCells

10 Population Growth

From: Mariano Cecowski <MCecowski#NoSpam.sif.com.ar>

Q: if both a bear in Yosemite and one in Alaska fall into the waterwhich one disolves faster?

A: The one in Alaska because it is

HIJKLMNO

10 Population Growth

Alimentary: What Sherlock Holmes said to Dr. Watson.

Urinate: What a nurse would say if a patient asked her what room he's in.

Urine - The opposite of "You're out!"Benign: What we want when we are eight.

Intestine - Currently taking an exam

CARDIOLOGY: advanced study of poker playing

TERMINAL ILLNESS: getting sick at the airport

1010 Potpourri

What makes up 2/3 of bone? 1/3 of bone?

1010Potpourri

2/3- Calcium Phosphate

1/3- Collagen fibers

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2020 Potpourri

An increase in diameter in bones is known as…

*Appositional Growth*Appositional Growth

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What is rickets? What is scurvy?What is rickets? What is scurvy?

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*Rickets- Vitamin D deficiency

*Scurvy- Vitamin A and C deficiency

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The presence of a definitive epiphyseal line indicates….

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*the end of bone growth

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What is the difference between compact bone and spongy bone?What is the difference between compact bone and spongy bone?

5050 Potpourri

*Compact bone has osteons situated in closely packed areas and is found where stresses come from a limited range of direction. Compact bone provides strength.

*Spongy bone has large spaces between thin, bony plates and is found where stresses are few or come from many different directions. Spongy bone serves to reduce the weight of bones.