6.2: Anatomy & Physiology: Skeletal Systems 🩻

Question 1

How many bones are there in the human body?

Answer 1

206.

Question 2

Ligaments

Answer 2

Connect bone to bone.

Question 3

Tendons

Answer 3

Connect bone to muscle.

Question 4

Cartilage

Answer 4

Connective tissue that allows smooth movement of joints.

Question 5

Axial Skeleton

Answer 5

1. Skull
2. Spinal Column
3. Ribcage

Question 6

Skull: Frontal Bone

Answer 6

The forehead.

Question 7

Skull: Parietal Bone

Answer 7

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

Question 8

Skull: Occipital Bone

Answer 8

The back portion of the skull.

Question 9

Skull: Temporal Bone

Answer 9

Lateral bones, above the cheekbones.

Question 10

Skull: Maxillae (max-sill-ee)

Answer 10

Forms the upper jaw, above the upper teeth.

Question 11

Skull: Mandible

Answer 11

The movable portion of the lower jaw.

Question 12

Skull: Zygomatic Bone

Answer 12

Cheekbones.

Question 13

Skull: Nasal Bone

Answer 13

The nose.

Question 14

Skull: Foramen Magnum

Answer 14

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

Question 15

Spinal Column

Answer 15

The central supporting structure that protects the spinal cord.

Question 16

How many total vertebrae in the spinal column?

Answer 16

33 vertebrae.

Question 17

Spinal Column: Cervical Spine

Answer 17

7 vertebrae, C1-C7.

Question 18

Spinal Column: Thoracic Spine:

Answer 18

12 vertebrae, T1-T12.

Question 19

Spinal Column: Lumbar Spine

Answer 19

5 vertebrae, L1-L5.

Question 20

Spinal Column: Coccyx (kaak-sicks)

Answer 20

4 fused vertebrae

Question 21

Spinal Column: Sacrum

Answer 21

5 fused vertebrae

Question 22

Thoracic Cavity

Answer 22

Houses the:

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

Question 23

Sternum

Answer 23

Breastbone

Question 24

3 Parts of the Sternum

Answer 24

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

Question 25

Appendicular Skeleton

Answer 25

Includes the bones of the: 1. Arms 2. Legs 3. Pelvis

Question 26

Shoulder Girdle

Answer 26

Formed by the: 1. Clavical (collarbone) 2. Scapula (shoulder blade) 3. Humerus (upper arm)

Question 27

Arm: Humerus

Answer 27

Upper Arm.

Question 28

Arm: Radius

Answer 28

The lateral bone of the forearm.

Question 29

Arm: Ulna

Answer 29

The medial bone of the forearm

Question 30

Arm: Carpal Bones

Answer 30

The wrist

Question 31

Arm: Metacarpals

Answer 31

The base of the fingers

Question 32

Arm: Phalanges

Answer 32

The fingers

Question 33

Pelvis

Answer 33

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

Question 34

Pelvis: Illium

Answer 34

The upper portion of the pelvis.

Question 35

Pelvis: Ischium

Answer 35

The lower portion of the pelvis.

Question 36

Pelvis: Pubis

Answer 36

The anterior portion of the pelvis.

Question 37

Leg: Femur

Answer 37

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

Question 38

Leg: Patella

Answer 38

The kneecap

Question 39

Leg: Tibia

Answer 39

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

Question 40

Leg: Fibula

Answer 40

The lateral bone of the lower leg.

Question 41

Leg: Tarsal Bones

Answer 41

Ankles.

Question 42

Leg: Metatarsal Bones

Answer 42

The base of the toes.

Question 43

Leg: Phalanges

Answer 43

The toes.

Question 44

Joints

Answer 44

Where two bones come together.

Question 45

Joints: Symphysis

Answer 45

A joint with limited motion.

Question 46

Joints: Ball-and-Socket

Answer 46

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

Question 47

Joints: Hinge Joints

Answer 47

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

Question 48

The three types of muscles

Answer 48

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

Question 49

Involuntary Muscles

Answer 49

Muscles located within the blood vessels

Question 50

Voluntary Muscles

Answer 50

Muscles that attach to the skeleton.