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human anatomy > unit 2 > Flashcards

unit 2 Flashcards

1
Q

Osteocytes

A

Normal Blood cell

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2
Q

Osteoblasts

A

Cells that build bone
Controlled by hormones

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3
Q

simple fracture

A

Bone breaks

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4
Q

Compact fracture

A

Bone comes out of skin
lots of bacteria

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5
Q

comminuted fracture

A

Lots of pieces
shattered

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6
Q

depressed fracture

A

Bone pushed in
stops because of spongy middle layer

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7
Q

impacted fracture

A

two bones jammed together
ends of break bone

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8
Q

spiral fracture

A

Breaks like a spiral

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9
Q

greenstick fracture

A

Bone cracks and doesn’t completely break

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10
Q

epiphysis

A

At the ends of long bones
Spongy bone
Covered by cartilage

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11
Q

diaphysis

A

Middle of long bone
Covered by periosteum
Compact bone

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12
Q

cartilage

A

Strong, flexible, connective tissue that protects joints and bones

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13
Q

periosteum

A

A fibrous layer covering the diaphysis that keeps out bacteria

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14
Q

epiphyseal plate

A

Growth plate at epiphysis
Cartilage that expands and turns to bone
Bone gets longer (you get taller)

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15
Q

synovial fluid

A

The fluid in between two bones in the joint

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16
Q

4 ligaments of the knee

A

ACL
MCL
PCL
LCL

17
Q

smooth muscle

A

Surrounded by internal organs
Involuntary
Does not get tired

18
Q

skeletal muscle

A

Attached to bones
Voluntary
Gets tired

19
Q

cardiac muscle

A

Makes up heart
Involuntary
Does not get tired

20
Q

acetylcholine

A

Neurotransmitter involved in muscle contraction

21
Q

ATP

A

Adenosine Triphosphate

22
Q

ADP

A

Adenosine Diphosphate

23
Q

Creatin phosphate

A

Move phosphate to ADP to make ATP
20 seconds of creatine phosphate

24
Q

Anaerobic Respiration

A

No oxygen
Can do for 30-40 seconds

25
Q

Aerobic Respiration

A

Uses oxygen
Totally breaks down glucose

26
Q

Osteoclasts

A

Cells that take bone apart
Controlled by hormones

27
Q

Synaptic Cleft

A

The space between the nerve and the muscle

28
Q

Sodium- Potassium pump

A

Moves Na out of muscle and K in during relaxation

human anatomy (6 decks)

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