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🚑 EMT: Crash Course Book > 6.2: Anatomy & Physiology: Skeletal Systems 🩻 > Flashcards

6.2: Anatomy & Physiology: Skeletal Systems 🩻 Flashcards

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1
Q

How many bones are there in the human body?

A

206.

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2
Q

Ligaments

A

Connect bone to bone.

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3
Q

Tendons

A

Connect bone to muscle.

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4
Q

Cartilage

A

Connective tissue that allows smooth movement of joints.

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5
Q

Axial Skeleton

A
  1. Skull
  2. Spinal Column
  3. Ribcage
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6
Q

Skull: Frontal Bone

A

The forehead.

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7
Q

Skull: Parietal Bone

A

Top of the head, between the frontal and occipital bone.

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8
Q

Skull: Occipital Bone

A

The back portion of the skull.

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9
Q

Skull: Temporal Bone

A

Lateral bones, above the cheekbones.

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10
Q

Skull: Maxillae (max-sill-ee)

A

Forms the upper jaw, above the upper teeth.

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11
Q

Skull: Mandible

A

The movable portion of the lower jaw.

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12
Q

Skull: Zygomatic Bone

A

Cheekbones.

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13
Q

Skull: Nasal Bone

A

The nose.

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14
Q

Skull: Foramen Magnum

A

Opening in the occipital bone where the brain connects to the spinal cord.

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15
Q

Spinal Column

A

The central supporting structure that protects the spinal cord.

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16
Q

How many total vertebrae in the spinal column?

A

33 vertebrae.

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17
Q

Spinal Column: Cervical Spine

A

7 vertebrae, C1-C7.

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18
Q

Spinal Column: Thoracic Spine:

A

12 vertebrae, T1-T12.

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19
Q

Spinal Column: Lumbar Spine

A

5 vertebrae, L1-L5.

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20
Q

Spinal Column: Coccyx (kaak-sicks)

A

4 fused vertebrae

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21
Q

Spinal Column: Sacrum

A

5 fused vertebrae

22
Q

Thoracic Cavity

A

Houses the:

  1. Heart
  2. Lungs
  3. Trachea
  4. Esophagus
  5. Great Vessels
23
Q

Sternum

A

Breastbone

24
Q

3 Parts of the Sternum

A
  1. Manubrium: Upper portion
  2. Body: Middle portion
  3. Xiphoid: Lower tip portion
25
Q

Appendicular Skeleton

A

Includes the bones of the:

  1. Arms
  2. Legs
  3. Pelvis
26
Q

Shoulder Girdle

A

Formed by the:

  1. Clavical (collarbone)
  2. Scapula (shoulder blade)
  3. Humerus (upper arm)
27
Q

Arm: Humerus

A

Upper Arm.

28
Q

Arm: Radius

A

The lateral bone of the forearm.

29
Q

Arm: Ulna

A

The medial bone of the forearm

30
Q

Arm: Carpal Bones

A

The wrist

31
Q

Arm: Metacarpals

A

The base of the fingers

32
Q

Arm: Phalanges

A

The fingers

33
Q

Pelvis

A

A ring-shaped structure formed by three bones that support the spinal column and protect the abdominal organs.

34
Q

Pelvis: Illium

A

The upper portion of the pelvis.

35
Q

Pelvis: Ischium

A

The lower portion of the pelvis.

36
Q

Pelvis: Pubis

A

The anterior portion of the pelvis.

37
Q

Leg: Femur

A

The thigh bone (the strongest bone in the body).

38
Q

Leg: Patella

A

The kneecap

39
Q

Leg: Tibia

A

The medial bone of the lower leg. (The shinbone)

40
Q

Leg: Fibula

A

The lateral bone of the lower leg.

41
Q

Leg: Tarsal Bones

A

Ankles.

42
Q

Leg: Metatarsal Bones

A

The base of the toes.

43
Q

Leg: Phalanges

A

The toes.

44
Q

Joints

A

Where two bones come together.

45
Q

Joints: Symphysis

A

A joint with limited motion.

46
Q

Joints: Ball-and-Socket

A

A joint where the distal end is capable of free motion, such as the shoulder.

47
Q

Joints: Hinge Joints

A

A joint where the bones can only move uniaxially, such as the knee.

48
Q

The three types of muscles

A
  1. Involuntary Muscles
  2. Digestive Tract
  3. Voluntary Muscles (Skeletal)
49
Q

Involuntary Muscles

A

Muscles located within the blood vessels

50
Q

Voluntary Muscles

A

Muscles that attach to the skeleton.

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