Unit 7B

Question 0

Skeletal system

Answer 0

Bones, cartilage, and the structures that connect bones to cartilage make up your skeletal system

Question 1

What are the 5 functions of the skeletal system

Answer 1

Give shape and support
Protect internal organs
Move muscles
Form blood cells
Store calcium and phosphorous

Question 2

Protection

Answer 2

Heart & lungs are protected by ribs
Spinal Cord protected by vertabrae
Brain protected by skull

Question 3

Storage

Answer 3

Bones store minerals that help the nerves and muscles function correctly

Question 4

Movement

Answer 4

Skeletal muscles pull on the bone to produce movement

Question 5

How many vertebrae are in the spine

Answer 5

26

Question 6

Largest human bone

Answer 6

Femur

Question 7

Spongy bone

Answer 7

Provides strength without weight

Question 8

Compact bone

Answer 8

Resists shock and stress

Question 9

Periosteum

Answer 9

Covering were ligaments and tendons attach

Question 10

Red marrow

Answer 10

Where blood cells are made

Question 11

Yellow marrow

Answer 11

Where fat is stored

Question 12

Joint

Answer 12

Location where two bones meet

Question 13

Moveable joint and immovable joint

Answer 13

MOVEABLE JOINT- allow movement when muscles contract

IMMOVABLE JOINT- they are fixed and allow 0 movement

Question 14

How many bones are in the adult

Answer 14

206

Question 15

How many bones are in the baby

Answer 15

305

Question 16

Ligaments

Answer 16

Connective tissue hold joints together (bone to bone)

Question 17

Axial skeleton

Answer 17

Skull, ribs, vertebral column

Question 18

Appendicular skeleton

Answer 18

Pectoral girdle(shoulder blades), pelvic girdle (hip), limbs

Question 19

Simple fracture

Answer 19

Bone breaks but doesn’t penetrate skin

Question 20

Compound fracture( open fracture)

Answer 20

Bone penetrates the skin; may remain outside skin or break through and go back inside

Question 21

Greenstick fracture

Answer 21

Bone bends and breaks on one side; occurs in young children’s soft bones

Question 22

Sprains

Answer 22

Injury to a ligament caused by stretching a joint too far!

Question 23

Osteoporosis

Answer 23

A disease that causes bone to become thin and weak; can break more easily. Due to lack of calcium in diet

Question 24

Arthritis

Answer 24

A disease that causes joints to swell, stiffen and become painful. Difficult to move affected joint

Question 25

Functions of the muscular system

Answer 25

Stabilize joints with tendons, produces movement, produces heat to maintain body temp

Question 26

Tendon

Answer 26

Connected tissue that connects skeletal muscles to bones

Question 27

Skeletal muscle

Answer 27

Attaches to bone or skin Striated(striped) with light&dark bands Voluntary control

Question 28

Cardiac muscle

Answer 28

Only found in heart Striated appearance Involuntary control Autorhythmic due to built in pacemaker

Question 29

Smooth muscle

Answer 29

Attached to hair follicles in skin Nonstraited appearance Involuntary control

Question 30

Extensor

Answer 30

Muscle that is contracted when a joint is straight

Question 31

Flexor

Answer 31

Muscle that is contracted when a joint is bent

Question 32

Aerobic

Answer 32

Strengthens heart and increases endurance

Question 33

Anaerobic

Answer 33

Resistance excercise develops skeletal muscle

Question 34

Muscle strain

Answer 34

Muscle is over stretched or torn due to overworked muscles or not properly stretching

Question 35

Muscular Dystrophy

Answer 35

Heredity disease that causes muscles to become weaker over time

Question 36

Tendinitis

Answer 36

Can be injured from too much use

Question 37

Anabolic steroids

Answer 37

Makes muscles larger