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Science Flashcards (°👅°) > Skeletal System > Flashcards

Skeletal System Flashcards

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1
Q

What are the main characteristics of the Skeletal System?

A

Shape + Support
Levers for Movement
Protects Vital Systems
Produces Blood Cells
Stores Minerals

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2
Q

What is the difference between Red and White Blood Cells?

A

Red: Carries Oxygen
White: Immune System

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3
Q

What are the 4 types of tissues

A

Connective
Nervous
Muscular
Epithelial

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4
Q

What are the 5 purposes of the Skeletal System?

A

Shape & Support
Movement
Protects Vital Systems
Produces Blood Cells
Stores Minerals

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5
Q

What are the 3 “ingredients” of the skeletal system

A

Bone
Cartilage
Ligaments

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6
Q

What are the 5 Shapes of Bone?

A

Long
Short
Flat
Irregular
Sesamoid

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7
Q

What is the difference between Tendons and Ligaments?

A

Tendon: Binds Muscle to Bone
Ligament: Binds Bone to Bone

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8
Q

What is the order the structure of bone?

A

Periosteum
Compact
Spongy
Red/Yellow Marrow

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9
Q

What system do Tendons come from?

A

Muscular

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10
Q

What system do Ligaments come from?

A

Skeletal

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11
Q

Which Bone Shape makes the most Red Blood Cells?

A

Flat

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12
Q

What is special about sesamoid bone shape?

A

It is a bone that is not attached by ligaments
(Instead it is attached by tendons)

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13
Q

What is the main use of cartilage?

A

Used as a cushion between joints.

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14
Q

What minerals do bones store?

A

Calcium and Phosphorus

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15
Q

What is the Difference between Red and Yellow Bone Marrow?

A

Red: Makes all blood cells (Red/White)
Yellow: Makes Fat

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16
Q

The part of bone with the most density for strength.

A

Compact bone

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17
Q

What part of the bone structure is light and has air pockets but is still strong?

A

Spongy bone

18
Q

What part of the bone is a leathery skin-like coating that provides nutrients?

A

Periosteum

19
Q

What does the connective tissue do?

A

Supports and binds

20
Q

What does the Muscular Tissue do?

A

Helps the body to move

21
Q

What does the Epithelial Tissue do?

A

Covers and protects

22
Q

What does the Nervous Tissue do?

A

Helps control the body and communicate

23
Q

What percentage of joints are synovial joints?

A

90%

24
Q

What is a Osteocyte?

A

Basic Bone Cell

25
Q

What is a Osetoblast?

A

Repair Cells
“B” for “Build”

26
Q

What is a Osteoclast?

A

Breaks down Bone BEFORE repair
“c” for “chaos”

27
Q

What is a Lining Cell?

A

Cover Surface of Bone

28
Q

What are the steps for Bone growth/remodeling?

A

Resorption
Reversal
Formation
Mineralization
Rest

29
Q

What happens in Reversal?

A

The white blood cells come in and make sure that no viruses or bacteria are in the bone during the repair period

30
Q

What happens in Resoprtion?

A

When the Osteoclasts break down bone

31
Q

What happens in Formation?

A

When the Osteoblasts repair the bone

32
Q

What happens in Mineralization?

A

Calcium solidifies and makes the bone hard

33
Q

What are Osteons?

A

The layers that form around the marrow canal in the bone.
Made out of Osteocytes

34
Q

What makes joints synovial?

A

When they have synovial fluid

35
Q

What is synovial fluid?

A

The “Oil” that helps to keep the “Machine” running

36
Q

What makes up a typical joint?

A

2 bones held together by ligaments
With Cartilage between bones

37
Q

What are the 5 motions?

A

Flexion
Extension
Circumduction
Abduction
Adduction

38
Q

What does the Flexion motion do?

A

Narrow gap between 2 levers
Opposite of Extension

39
Q

What does the Extension motion do?

A

Widen gap between 2 levers
Opposite of Flexion

40
Q

What does the Circumduction motion do?

A

Circular Motion

41
Q

What does the Abduction motion do?

A

Move away from Midline

42
Q

What does the Adduction motion do?

A

Move closer to Midline

Science Flashcards (°👅°) (6 decks)

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