Soto - skeletal system

Question 1

fFunctions of the skeletal system

Answer 1

-provide a framework to support the body’s systems
-provide an attachment for muscles
-enclose and protect vital organs
-manufacture blood cells
-store calcium &phoshorus… vital for metabolism

Question 2

bone

Answer 2

The hard framework

Question 3

What does Vitamin D do

Answer 3

helps it use calcium so that it hardens properly
(bone is a living and stable organism)

Question 4

Sinus

Answer 4

a cavity in the interior of bone it is lined with mucous and filled with air

Question 5

**1. how many bones are in the skeletal system
2. what are the two groups called
3. how many bones are in each group

Answer 5

1.* 206*
2. Axial-basic framework-80 bones
3. Appendicular-the extremities-126 bones

Question 6

Axial Skeleton

Answer 6

Skull-Verbal Column-Thorax

Question 7

Skull

Answer 7

1. Cranial bones surround and protect the brain
   ***2. Frontal
2. Parietal
3. Temporal
4. Occipital***

Question 8

Frontal

Answer 8

The forehead

Question 9

Parietal

Answer 9

The Roof

Question 10

Temporal

Answer 10

1. The sides
2. Interacts with the lower jaw mandible

Question 11

cartilage

Answer 11

tissue with less calcium than bone

Question 12

ligament

Answer 12

tissue connecting* bone to bone* at the joints

Question 13

Tendon

Answer 13

Tissue muscle to bone

Question 14

Diaphysis

Answer 14

the shaft or main central portion

Question 15

Epiphysis

Answer 15

the ends covered in cartliage (lubericant)

Question 16

Marrow

Answer 16

lies within the diaphisis produces red&white blood cells and platelets

Question 17

Periosteum

Answer 17

a membrane covering the bone with blood vessels and nerves…. growth and repair of bone begins here…. tendons attach to periosteum

Question 18

Occipital

Answer 18

The back… contains the Foramen Magnum (a hole that allows the brain to attach to the spinal cord)

Question 19

Maxilla

Answer 19

The Upper Jaw

Question 20

Vertebral Column

Answer 20

• The main Axis of the Body
• Rigid yet Flexible
• It Incloses and Protects the Spinal Cord
• Its Curved Shape serves as a Shock Protector
• Between the Cartilage are Discs made of cartilage
• Ligaments hold the Vetebrae in place

Question 21

Cervical

Answer 21

The 7 Neck Vertebrae

Question 22

Thoracic

Answer 22

The 12 Chest Vertabrae Supporting the RIBS

Question 23

Lumbar

Answer 23

The 5 Lower Back Vertabrae…Largest and Heaviest

Question 24

Sacrum

Answer 24

The vertebrae that Attaches to the Pelvis (hip)

Question 25

***Components of the Thorax***

Answer 25

***1. Sternum 2. Ribs*

Question 26

Sternum

Answer 26

The ***Breastbone***

Question 27

***Ribs Pairs 1-10***

Answer 27

Attach to the Thoratic Vertebrae and Sternum

Question 28

Ribs Pairs 11-12

Answer 28

Attach to the Thoratic Vertebrae but **not** to the Sternum....***"Floating Ribs"***

Question 29

***Coccyx***

Answer 29

The "***TailBone***" of **NO** Importance

Question 30

***Components of the Appendicular Skeleton***

Answer 30

***1. Girdles 2. Arms 3. Legs***

Question 31

Upper Extremities ***Pectoral Girdle***

Answer 31

Secures the arms to the trunk of the body

Question 32

What are the UPPER Extremeties made up of?

Answer 32

the clavicle and Scapula

Question 33

SCAPULA

Answer 33

the *shoulder blade*

Question 34

CLAVICLE

Answer 34

the *collar bone*... connects the scapula to the sternum

Question 35

HUMERUS

Answer 35

UPPER arm bone.... attaches to the scapula

Question 36

ULNA

Answer 36

longer lowerarm bone on the *little finger* side

Question 37

RADIUS

Answer 37

lower arm bone on the *thumb* side

Question 38

CARPALS

Answer 38

The WRIST bones... 8 per wrist

Question 39

METACARPALS

Answer 39

PALM bones..... 5 per hand

Question 40

PHALANGES

Answer 40

FINGER Bones.... 12 per hand.... 2 per thumb.....three for the rest of the fingers

Question 41

PELVIC GIRDLE

Answer 41

a basin-like ring of bones that secures the legs to the trunk

Question 42

Whats the Difference between Male and Female Pelvic Bones

Answer 42

* MALE- Narrow, heavy, and deep.... designed for strength and speed... heart-shaped opening * FEMALE- broad, light, and shallow, designed for child-bearing... oval shaped opening

Question 43

***Femur***

Answer 43

The UPPER Leg Bone... *Strongest and Longest* Bone

Question 44

***Patella***

Answer 44

KNEECAP

Question 45

***Tibia***

Answer 45

Lower leg Bone *Big Toe* side

Question 46

***Fibula***

Answer 46

Lower Leg Bone *Little Toe* Side

Question 47

Tarsals

Answer 47

The Ankle Bones 7 per Ankle

Question 48

***Metatarsals***

Answer 48

The *Instep* (arch) and BALL of the foot.... 5 per foot

Question 49

***Phalanges*** *(foot)*

Answer 49

The *Toe* bones... 14 per Foot- 2 per Big Toe 13 for the Rest

Question 50

***Articulations***

Answer 50

(Joints) a Meeting Between 2 or More Bones or Between Cartilage and Bone

Question 51

***SYNOVIAL ARTICULATIONS***

Answer 51

* Freely Moving Joints * Possess a *Cleft* containing *Synovial Fluid* (Lubricant) Betwwen the Free surfaces of the bones

Question 52

***NON-SYNOVIAL ARTICULATIONS***

Answer 52

* The "Immovable" joints * The *Lack* a Cleft and Synovial Fluid

Question 53

*What is a* ***Synovial Articulation***

Answer 53

Bone Surfaces are Covered with CARTILAGE *(Lubricant)* and Seperated by CLEFT filled with Synovial Fluid

Question 54

***Gliding***

Answer 54

*Twisting* Motion... I.E. Wrist and Ankle

Question 55

***Hinge***

Answer 55

*Up and Down* Motion... I.E. Knee, Elbow, and Mandible

Question 56

***Saddle***

Answer 56

*Forward, Bakward, Sideward Motion*... I.E. Vertebral Column

Question 57

***Ball & Socket***

Answer 57

*Free* Movement in all directions.... I.E. Scapula and Humerus/ Pelvis and Femur