Skeletal System Flashcards

0
Q

The skeletal is made mostly of _____ at birth.

A

Cartilage

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1
Q

Name four purposes of the skeletal system

A
  • give body shape
  • produce blood cells
  • support muscles and organs
  • protect inner organs, body movement
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2
Q

What is the process known as cartilage hardening into bone?

A

Ossification

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3
Q

Soft areas on a baby’s skull are called ____.

A

Fontanels

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4
Q

What is the purpose of fontanels?

A

Allow baby to pass through birth canal (skull bones move)

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5
Q

which skeleton Provides support for vital organs and is made up of 80 bones

A

axial

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6
Q

what skeleton Form the frame of the body and enable movement, has 126 bones

A

appendicular

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7
Q

What is Periosteum?

A

outside bone layer

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8
Q

What does compact bone do?

A

Provides support

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9
Q

describe spongy bone

A

light and strong

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10
Q

describe bone marrow

A

blood cell productions begins here

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11
Q

Tough bands of tissue where bone meets bone

A

ligaments

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12
Q

Connective tissue where muscle meets bone

A

tendons

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13
Q

What helps bones glide smoothly across each other

A

synovial fluid

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14
Q

Name the four types of joints…

A

Hinge, ball and socket, pivot, ellipsoidal

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15
Q

Where are hinge joints located and what is their motion?

A

Elbows and knees, back and forth

16
Q

Where are ball and socket joints located and what is their motion?

A

Hips and shoulders, rotation

17
Q

Where are pivot joints located and what is their motion?

A

Elbows and neck, side to side

18
Q

Where are ellipsoidal joints located and what is their motion?

A

Wrists and ankles, gliding motion

19
Q

What exactly is a joint?

A

When two bones come together

20
Q

What is scoliosis

A

Sideways curvature of the spine

21
Q

what are two main functions of the skeletal system

A

support and shape

22
Q

What is osteoporosis?

A

Thinning of the bones

23
Q

What are the four types of fractures in bones?

A

Open, closed, simple, compound

24
Q

What is a simple fracture?

A

One complete break of the bone

25
Q

What is a compound fracture?

A

Two or more breaks in the bone

26
Q

What is a closed fracture?

A

When the break is under the skin

27
Q

What is an open fracture?

A

When the bone breaks through the skin