Why do adults have less bones than they did at birth?
Bones fuse together
What is the medical term for the skull?
Cranium
What is the epiphyseal plate known as and what does it become once you're an adult?
Growth plate..
Becomes epiphyseal line or just bone
How many pairs pf ribs does the skeleton contain?
12
What is the name for the bones of the spine?
Vertebrae
What are the 3 minerals of the bones?
Magnesium, calcium & phosphorus
How many skull bones are there?
Which bone is the smaller lateral bone of the lower leg?
Fibula
What are true ribs and how many pairs does the skeleton have?
Ribs directly attached to sternum
7
Cervical, thoracic, lumbar, sacral & coccyx
What does the Axial skeleton consist of ?
Spinal Column, skull & rib cage
How many parietal bones are there?
2
Where is the yellow bone marrow found and what does it produce ?
In the diaphysis & leukocytes (WBC).
What is the top part of the breastbone?
Manubrium
12
What is the correct medical term for collar bone?
Clavicle
At what age do soft spots close by?
18 months
What does articular cartilage act as?
Shock absorber when two bones meet to form a joint
What is the inferior edge of the breastbone?
Xiphoid Process
What 3 things do the disks between the spine bones do for the body?
Separate vertebrae, absorb shock & allow for bending and twisting.
What percentage of bone is made up of water?
20%!!!
What is the lacrimal bone ?
Two bones at inner aspect of eyes (Tear ducts)
What are the 3 main parts of the bone and where are they located?
Diaphysis: Main, long, middle portion (shaft)
Metaphysis: Portion of long bones between epiphysis and diaphysis (Growth plate).
Epiphyses: The two ends.
what are floating ribs?
Ribs with no anterior attachment
What is the coccyx also known as?
tailbone