Chapter 5: The skeletal system Flashcards
What are the 4 parts of the skeletal system
Bones, Joints, Cartilage, Ligaments
What are the 2 divisions of the skeleton
Axial and perpendicular
Functions of the bones (5)
Support of bones, protection of soft organs, movement due to attached skeletal muscles, storage of minerals and fats, blood cell information
How many bones do skeletons have
206
What are the 2 basic types of bone tissue
Compact bone and spongy bone
What is a compact bone
It is dense and look smooth, homogeneous
What is a spongy bone
Composed of small needlelike pieces of bone and lots of open space
Describe the function: Support
Forms the internal frame work and cradles soft organs
Describe the function: Protection
Protect soft body organs
what are the four classifications of bones?
long, short, flat, and irregular
what is a distinct characteristic of a long bone?
they are typically longer than they are wide
which of the two types of bones is a long bone mostly made of?
compact bone
what is an example of a long bone?
some examples include the humerus and the femur
what is the structure of a long bone?
generally have a shaft with heads at both ends
what is a short bone mostly composed of?
spongey bone
what shape are short bones usually?
usually cube shaped
what are some examples of short bones?
carpals and tarsals
what is a flat bone?
a thin layer of compact bone around a layer of spongey bone
what do flat bones usually look like?
flat, usually curved, and thin
what is an example of flat bones?
skull, ribs, and sternum
what is an irregular bone?
basically any bones that don’t fit in another category
what does the shape of irregular bones?
irregular- its kinda in the name lmao
what is an example of an irregular bone?
vertebrae and hips
what is a diaphysis?
the shaft of the bone
