NU110 CHAPTER 6 & 7 SKELETAL SYSTEM AND MUSCULAR SYSTEM
EXAM QUESTIONS WITH COMPLETE SOLUTIONS VERIFIED
Skeletal system
composed of:
bones
joints
cartilage
fxn of skeletal system
support, protection, movement, storage, blood cell formation
Osteoblasts
build bone
Osteocytes
mature bone cells
Osteoclasts
Reabsorb Bone tissue
Matrix
Material between the living bone cells
Bones that begun as cartilage in utero are called
Long bones
Flat bones
fibrous membranes
Ossification
formation of bone
,When all cartilage is ossified what happens to the bone
they stop growing
Ossification replaces cartilage with what?
Bone
Epiphyseal plate eventually becomes what?
Epiphyseal line
In long bones, what grows at the epiphyseal plate?
cartilage
parathyroid glands
secrete parathyroid hormone (PTH)
parathyroid hormone (PTH)
stimulates osteoclasts, bone breakdown
Compact bone
Hard and dense
Spongy bone
less dense and has many cavities that contain bone marrow
Parts of a long bone
Endosteum (inside)
periosteum (around)
epiphyseal plate
the ends of long bones
epiphysis
Red bone marrow
, Found in spongy bone at the end of long bones
yellow bone marrow
found in medullary cavity of long bones
function of red bone marrow
produce red blood cells
Function of yellow bone marrow
stores fat
appendicular skeleton consists of
pectoral girdle, upper limbs, pelvic girdle, lower limbs
Pectoral girdle consists of
scapula and clavicle
pelvic girdle consists of
ilium, ischium, pubis
axial skelaton
Includes cranium, vertebral column, ribs, and sternum
how many facial bones are there
14 facial bones
how many cranial bones are there
8 bones
How many ear bones are there?
3 ear bones
How many vertebrae are there?
26
EXAM QUESTIONS WITH COMPLETE SOLUTIONS VERIFIED
Skeletal system
composed of:
bones
joints
cartilage
fxn of skeletal system
support, protection, movement, storage, blood cell formation
Osteoblasts
build bone
Osteocytes
mature bone cells
Osteoclasts
Reabsorb Bone tissue
Matrix
Material between the living bone cells
Bones that begun as cartilage in utero are called
Long bones
Flat bones
fibrous membranes
Ossification
formation of bone
,When all cartilage is ossified what happens to the bone
they stop growing
Ossification replaces cartilage with what?
Bone
Epiphyseal plate eventually becomes what?
Epiphyseal line
In long bones, what grows at the epiphyseal plate?
cartilage
parathyroid glands
secrete parathyroid hormone (PTH)
parathyroid hormone (PTH)
stimulates osteoclasts, bone breakdown
Compact bone
Hard and dense
Spongy bone
less dense and has many cavities that contain bone marrow
Parts of a long bone
Endosteum (inside)
periosteum (around)
epiphyseal plate
the ends of long bones
epiphysis
Red bone marrow
, Found in spongy bone at the end of long bones
yellow bone marrow
found in medullary cavity of long bones
function of red bone marrow
produce red blood cells
Function of yellow bone marrow
stores fat
appendicular skeleton consists of
pectoral girdle, upper limbs, pelvic girdle, lower limbs
Pectoral girdle consists of
scapula and clavicle
pelvic girdle consists of
ilium, ischium, pubis
axial skelaton
Includes cranium, vertebral column, ribs, and sternum
how many facial bones are there
14 facial bones
how many cranial bones are there
8 bones
How many ear bones are there?
3 ear bones
How many vertebrae are there?
26
