Joints
What do joints do?
Joints hold bones together and allow movement of the skeleton
What is another word for bone formation?
Ossification
What is the heaviest and strongest bone in the body?
femur
What 3 parts can the axial skeleton be separated into?
Skull, vertebral column, and thoracic cage
How many bones are there in the human body?
206
What is the most common joint problem?
Arthritis, or inflammation of the joints.
What is an osteoclast? What is an osteoblast?
Osteoclasts are bone destroying cells while osteoblasts are bone-forming cells
Where are the Tarsal bones and Carpal bones located?
tarsal bones are in your feet while carpal bones are in your hand
The skull is formed by 2 sets of bones which are?
The cranium and the facial bones
Explain Spongy bone vs Compact bone
Spongy bone is composed of small needle-like pieces of bone and lots of open space while Compact bone is dense and looks smooth and homogenous
What are the 3 functional categories joints can be labeled as?
Synarthroses, Amphiarthroses, and Diarthroses
What disease causes children's bone to not calcify?
Rickets
Which two bones make up your lower leg? Which one is larger?
Tibia and Fibula. Tibia is larger
How many irregular bones form the spine?
26
What are the 4 classifications of bones according to shape?
Long, short, flat, and irregular
Explain what each word means relating to joints: Synarthroses, Amphiarthroses, and Diarthroses
Immovable, slightly movable, freely movable
In embryos, the skeleton is primarily made of what?
Hyaline cartilage
The shoulder girdle consists of what 2 bones?
Clavical and the scapula
What are the 5 sections/curvatures of the spine?
Cervical, Thoracic, lumbar, sacral, coccyx
What are the 5 common types of fractures?
Simple, compound, compression, comminuted, and greenstick
What are the 3 structural classifications of joints and how is it determined which one a joint is?
Fibrous, cartilaginous, or synovial. Based on the substance separating the articulating bones
Where are the three areas of the body that hyaline cartilage remains after bone formation?
Bridge of the nose, parts of the ribs, and the joints
How many separate bones form the skeletal framework of each upper limb?
30
How many vertebrae are in each: Cervical, Thoracic, lumbar, sacral, coccyx
Cervical- 7, Thoracic-12, lumbar- 5, sacral- 5, coccyx- 4
What are the 5 purposes of bones?
Support, protection, movement, storage, and blood cell formation