Skeleton System Intro Flashcards
How many bones does the average human adult has?
206
How many bones do babies have?
270
64 soft bones will fuse as they age.
Name 4 functions of the skeletal system
- Aid in movement of the body
- Support & Protect internal organs
- Produce red & white blood cells
- Provide a storehouse for minerals
ASPP
What are 2 main parts of the skeleton?
Axial & appendicular
How many bones are in the axial skeleton?
80
How many bones are in the appendicular skeleton?
126
64 upper + 62 lower
What are the 5 types of bones?
- Long bone
- Short bone
- Flat bone
- Irregular bone
- Sesamoid bone
What is one function of long bone?
Aid in growth
What is the end of a long bone called?
Epiphysis
What is the fibrous tissue that covers long bone?
Perosteum
What is the shaft of a long bone called?
Diaphysis
What are the primary functions of a short bone?
- Provide support & stability
What is short bone consist of?
Cancellous bone & large amt. of bone marrow
Cancellous bone are spongy.
What is the main function of flat bone?
- Provide protection to body organs & base for muscular attachment.
In adult, the highest # of RBCs are formed in:
Flat bone