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Skeletal System

The skeletal system is made of organs called ____ Bones
An adult has how many bones? 206
An infant has how many bones? 350
The axial skeleton makes up what part of the body? Trunk
What does the axial skelton consist of? skull, spinal column, ribs, hyoid bone, sternum
The appendicular skeleton makes up what part of the body? pelvic and shoulder girdles
How many upper extremities does the appendicular skeleton make up? 64
How many lower extremities does the appendicular skeleton make up? 62
What are the five functions of the skeletal system? framework, protection, production, storage, and levers
What do bones store? calcium, phosphorus & fat
What are long bones? bones of the extremities
Diaphysis? long shaft
Epiphysis? ends of bone
the medullary cavity is located inside what? diaphysis
Yellow marrow fills the ______ medullary cavity
The membrane that lines the medullary canal, keeps the yellow marrow intact, and produces some bone growth is _________ endosteum
Red marrow is found in what two bones? ribs and sternum
What is located outside of the bone with a tough membrane? periosteum
The periosteum is neccessary for what? bone growth, repair, and nutrition
The periosteum contains what? lymph vessels, osteoblast, osteoclast, and articular cartilage
The skull is composed of what two types of bones? cranial and facial
The spherical structure that consist of eight bones which protects the skull. Cranium
How many facial bones are there? 14
What is it called where the cranial bones have joined together? sutures
What are the air spaces in the bones of the skull that act as resonating chambers for the voice? sinuses
What is the opening in the bone that allows nerves or blood vessels to enter or leave? Foramina
What are "soft spots"? Fontanels
How many bones are in the spinal column? 26
What are the two functions of the vertebrae? protection and support
How many bones are in the cervical(neck) part of the vertebrae? 7
How many bones are in the thoracic(chest) part of the vertebrae? 12
How many bones are in the lumbar(waist) section of the vertebrae? 5
How many bones are located in the sacrum(back of pelvic girdle)? 1
How many bones are in the tailbone(coccyx)? 1
What are the disks that act as pads of cartilage tissue that seperate the vertebae and act as shock absorbers and permit bending and twistion movements of the vertebrae? intervertebral disks
Ribs are also known as? costae
How many pairs of ribs are there? 12
What attaches to the thoracic vertebrae on the dorsal aspect of the body? ribs
How many pairs of ribs are there that attach directly to the sternum(true ribs)? 7
How many pairs of false ribs are there? 3
How many pairs of floating ribs are there? 2
The munubrium, gladiolis, and xiphoid process make up the what? sternum
Where do the clavicles attach to the sternum? manbrium
2 clavicles, 2 scapulas, and the proximal end of the humerus make of the what? shoulder or pectoral girdle
The humerus, readius, ulna, and olecranon process are the bones of the what? arm
How many carpals? 8
How many meta carpals? 5
How many phalanges? 14
What consist of two os coxae? pelvic girdle
the issium, ischium and pubis are the 3 fused sections of what? pelvic girdle
Created by: nfrunner



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