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Skeletal System
| Question | Answer |
|---|---|
| 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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