The Musculoskeletal System Flashcards
How many bones are there in the human body?
206 bones total
What are the 3 regions in the body?
- Head
- Truck
- Limbs
What is the definition of a bone?
A BONE is a hard solid organ that forms part of the skeleton.
What are bones constant being renewed with?
• Bones are continuously being renewed with new bone cells.
What is the HARDEST thing in the body?
• Bone tissue is the hardest thing in the body.
What are the 2 types of bone?
Spongy and Compact
What are bones catorigized by?
Long, Short, Flat, and Irregular
What is a long bone?
Long bones are long, thin middle and rounded ends. Mostly compact bone with bone marrow in the middle. Found in the limbs (mostly).
What is a short bone?
Short bones are cubic in shape (length and width are about the same). The are mostly spongy bone and are found in the wrists and ankles.
What is a flat bone?
Flat bones are flat, curved, and thin. They have outer layers of compact bone and the inside is spongy bone. Examples: Skull and sternum.
What is an irregular bone?
Irregular bones do not have a specific shape. Mostly found in the spine.
What is a Mandible?
Jaw/Jaw bone
What is a clavicle?
The clavicle is the bone that connects the breastplate (sternum) to the shoulder.
What is the Sternum?
The sternum is a partially T-shaped vertical bone that forms the anterior portion of the chest wall centrally.
What is the Vertebrae?
it is the spine