Skeletal system Flashcards
How many bones are babies born with?
300 bones
Adults have how many bones?
206 bones
More than half the bones human body are in
The hands and feet
Moveable joints
Elbows and knees
Immovable joints
In Pelvis and skull
A joint is
The point two or more bones are joined together
Osteoloy
The study of bone
Long bones
Found in arms and legs
Flat bones
Plate shaped and located in skull, scapula, and sternum
Irregular bones
Found in wrist, ankle, and spinal column
Bones are composed of
2/3 mineral matter and 1/3 organic matter
Bones produce
Red and white blood cells
Functions of the skeletal system
Support body
Surrounds and protects organs
Provide frame for muscles to attach
Allow body movement
The skull
Divided into 2 groups of bones
Cranium (8 bones)
Facial skeleton (14 bones)
Cranium bones
Frontal
Parietal
Occipital
Temporal