The Skeletal System

Question 1

What is bone tissue

Answer 1

Specialised connective tissue, its strong, high capacity for self repair and can alter its properties and configuration in response to mechanical demand

Question 2

What does marrow produce in some bones

Answer 2

Blood cells

Question 3

On average how many red blood cells are produced each second by bone marrow to replace those worn out and destroyed by the liver

Answer 3

2.6 million

Question 4

What minerals do bones store in them

Answer 4

Minerals such as calcium and phosphorus

Question 5

When the supply of minerals is low in the blood such as calcium and phosphorus what do the bones do

Answer 5

Replenish the supply

Question 6

What are tendons and ligaments composed of

Answer 6

Dense connective tissue consisting largely of collagen, a tough, fibrous protein

Question 7

What is the role of ligaments and joint capsules, which connect bone to bone

Answer 7

They increase the mechanical stability of the joints

Question 8

What is the function of of tendons

Answer 8

They act as an anchor between muscle and bone, thereby allowing joint motion

Question 9

What does the skeletal muscle allow the body to perform

Answer 9

Movement by dynamic work (body movement) and static work (maintenance of body posture)

Question 10

What systems interact to allow body movement

Answer 10

Muscular and skeletal

Question 11

The muscular and skeletal systems are often grouped together and called what system

Answer 11

Musculoskeletal system

Question 12

What connects the muscles to the bones

Answer 12

Tendons

Question 13

Bones are connected to each other with what

Answer 13

Ligaments

Question 14

What does the axial skeleton protect

Answer 14

Internal organs

Question 15

What is the primary function of the appendicular skeleton

Answer 15

Movement

Question 16

What is the connective tissue that is often inserted between bones that form a joint and that eliminates friction between articulating bones

Answer 16

Cartilage

Question 17

What are fibrous bands that enhance the stability of the joints by connecting the articulating bones and holds them together like straps of duct tape

Answer 17

Ligaments

Question 18

What are small sacs filled with fluid, found between elements of busy joints that have a lot of associated muscles and ligaments and also cushion the joint and prevent friction

Answer 18

Bursae

Question 19

What does the skeletal system provide for our body

Answer 19

Shape, stability and protect internal organs

Question 20

How many bones are in the skull

Answer 20

22

Question 21

How many hyoid bones do we have

Answer 21

1

Question 22

How many bones are in the vertebrae

Answer 22

32

Question 23

How many rib bones do we have

Answer 23

24

Question 24

How many sternum bones do we have

Answer 24

1

Question 25

How many bones do we have in the pectoral girdle

Answer 25

4 (scapula and clavicle)

Question 26

How many bones do we have in the arms and forearms

Answer 26

6 (humerus, ulna and radius)

Question 27

How many bones are in the wrists and hands

Answer 27

54 (carpals, metacarpals and phalanges)

Question 28

How many bones are in the pelvis

Answer 28

3 (hip bone, sacrum, coccyx)

Question 29

What are the three parts that form the bony pelvis

Answer 29

Pubis, ilium, ischium

Question 30

How many bones are in the thighs and legs

Answer 30

8 (femur, patella, tibia, fibula)

Question 31

How many bones are in the ankles and feet

Answer 31

52 (tarsals, metatarsals, phalanges)

Question 32

Why do we have bumps, ridges and grooves on the surface of bones

Answer 32

They provide attachment sites for the skeletal muscles

Question 33

The soft tissue called marrow that is contained in many bones produce and store what

Answer 33

It produces new blood cells and stores fat

Question 34

How many bones are in the skull

Answer 34

22

Question 35

The skull is divided between what 2 parts

Answer 35

Neurocranium (brain case) Viscerocranium (Facial skeleton)

Question 36

What is the bony case that protects the brain and organs of special senses

Answer 36

The skull

Question 37

What is the cranial bone of the skull that surrounds the back and base regions of the brain

Answer 37

Occipital

Question 38

Which bone plays a critical role in the movement of the upper airway

Answer 38

Hyoid bone

Question 39

What are the four regions in the vertebrae

Answer 39

Cervical Thoracic Lumber Sacrum & coccyx

Question 40

What does the rib cage consist of

Answer 40

Thoracic vertebrae Twelve pairs of ribs Sternum

Question 41

What are the first seven ribs attached to the sternum called

Answer 41

True ribs

Question 42

The acetabulum of the hip bone and the head of what bone articulates to form the hip (coxal) joint

Answer 42

The femur

Question 43

Out of the male and female which pelvis is wider and shallower

Answer 43

Female

Question 44

How many bones are in the appendicular skeleton

Answer 44

126

Question 45

What bones are in the pectoral girdle

Answer 45

2 Scapula, 2 Clavicle

Question 46

How many bones are in the arms and forearms

Answer 46

6

Question 47

What bones are on the arms and forearms

Answer 47

Humerus, ulna, radius

Question 48

How many bones are in the wrists and hands

Answer 48

54

Question 49

What are the bones in the wrists and hands

Answer 49

Carpals, metacarpals, phalanges