Skeletal system Flashcards

1
Q

How many bones are babies born with?

A

300 bones

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2
Q

Adults have how many bones?

A

206 bones

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3
Q

More than half the bones human body are in

A

The hands and feet

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4
Q

Moveable joints

A

Elbows and knees

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5
Q

Immovable joints

A

In Pelvis and skull

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6
Q

A joint is

A

The point two or more bones are joined together

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7
Q

Osteoloy

A

The study of bone

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8
Q

Long bones

A

Found in arms and legs

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9
Q

Flat bones

A

Plate shaped and located in skull, scapula, and sternum

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10
Q

Irregular bones

A

Found in wrist, ankle, and spinal column

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11
Q

Bones are composed of

A

2/3 mineral matter and 1/3 organic matter

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12
Q

Bones produce

A

Red and white blood cells

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13
Q

Functions of the skeletal system

A

Support body
Surrounds and protects organs
Provide frame for muscles to attach
Allow body movement

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14
Q

The skull

A

Divided into 2 groups of bones
Cranium (8 bones)
Facial skeleton (14 bones)

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15
Q

Cranium bones

A

Frontal
Parietal
Occipital
Temporal

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16
Q

Frontal bone

A

Extends from top of eyes to top of head
Forms FOREHEAD

17
Q

Parietal bones

A

2 bones that form crown and upper sides of head

18
Q

Occipital bone

A

Forms the back of the skull, indenting above nape area

19
Q

Temporal bones

A

2 bones located on either side of head, directly above ears and below parietal bones

20
Q

Mandible bone

A

Lower jaw and largest bone in facial skeleton

21
Q

Maxillae bones

A

2 bones of upper jaw

22
Q

Nasal bones

A

Two bones which join to form nose bridge

23
Q

Zygomatic malar bones

A

2 bones that form upper cheek and bottom of eye socket

24
Q

Lacrimal bones

A

Smallest 2 bones of facial skeleton and form the front part of inner bottom wall of eye socket

25
Q

Neck bones

A

1-7 cervical vertebrae: 7 bones that form to of spinal column, involved in extended scalp massages
8 hyoid: u shaped bone at the base of the tongue, supports tongue muscle

26
Q

Back, chest, and shoulder bones

A

1Thoracic vertebrae
2Sternum
3-14 ribs
15 clavicle
16 scapula

27
Q

Arm wrist and hand bones

A

1 humerus- largest bone of upper arm
2 radius- small bone on thumb side
3 ulna- small bone on pinky side
4 carpals- 8 small bones form wrist
5 metacarpals- 5 long bones form palm
6 phalanges- 14 bones that form fingers

28
Q

Leg ankle and foot bones

A

1 femur- thigh bone longest bone in body
2 patella - kneecap
3 tibia- shinbone inner and larger of lower leg bone
4 fibula- outer and narrower of 2 lower leg bone
5 talus- ankle bone
6 tarsals- 7 bones make up mid foot and rear foot
7 metatarsals- 5 long slender bones connect phalanges to tarsals
8 phalanges 14 bones that form toes