Functions of the skeletal system Flashcards

1
Q

What does the skeletal System include

A

Skeletal system includes bones and joints of the body

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2
Q

What do joints do?

A

Joints attach to each other

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3
Q

What does our skeletal do?

A

Our skeletal system provides a framework for internal organs, stores minerals that our body needs to perform and, produces blood cells.

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4
Q

How do bones and muscles work together

A

bones help muscles produce movement

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5
Q

Did you know?

A

Bones are more powerful than steel

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6
Q

How many bones are in the skeletal system

A

206 bones

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7
Q

How many shapes does the skeletal system have?

A

Four basic shapes

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8
Q

What are the four basic shapes?

A
Long bone ( femur ) 
Short bone ( ankle or wrist )
Flat bones ( scapula ( shoulder blade ), or skull) 
Irregular bones ( vertebrae ( spinal cord )
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9
Q

What are the two types of bone tissue?

A
Compact bone  ( very dense, smooth, and strong )
Cancellous Bone ( spongy and lightweight )
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10
Q

What do the two types of bone tissues, compact and cancellous include?

A

They both include living cells, which help make repairs if both get broken

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11
Q

What does a typical long bone have?

A

It has a main shaft called the diaphysis, which has compact bone, two ends called epiphysis, which has cancellous bones.

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12
Q

what is inside a typical long bone?

A

The main shaft is covered with living cells called the periosteum, in which muscles and tendons

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13
Q

Tendons

A

Are cords that help muscles attach to bones

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14
Q

Other thing living cells, what else is inside a typical long bone?

A

In the main shaft, there is the medullary cavity, which contains bone marrow

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15
Q

What does bone marrow stores

A

bone marrow contains fat, produces blood cells, and plays an important part in the bodies immune system

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16
Q

What is ossification?

A

A process from birth to 25 years olds, which basically means cartilage or connective tissue is replaced with bone tissue so that bones increased in size and shape

17
Q

Did you know ? Adults

A

Appromixaly 10 percent of all adult bone tissue in our body is replaced each year.

18
Q

What happens when a bone reflects?

A

Every stress that is put in a bone reflects, basically, a person who hunches over has bones that will gradually become curved , as they are remodeled by the stress

19
Q

After age 50, what tends to happen to bones

A

Bones tend to weaken in density

20
Q

What is osteoporosis?

A

Occurs to women after menopause and men over 50, in which, dramatic and weakening of bone mass, bones become so weak that they fracture easily. Ex. hip , spine and wrist