Identifying Bones
the bone in your upper leg
femur
a soft, jelly-like material used to produce new blood cells
marrow
What is the longest bone in the human body?
Femur
an injury that occurs when a muscle or tendon is stretched too far
strain
a muscle that works without your control
involuntary muscle
the wide, flat bone at your hips
pelvis
the smallest living part of an organism
cell
What do the vertebrae protect?
Spinal Cord
an injury that occurs when a joint is twisted too far and the ligaments are overstretched
sprain
These joints lock together so the bones do not move. Immovable joints are found in _____ ________.
the skull
a set of bones forming your spine
vertebrae
a group of cells working together
tissue
What are three types of movable joints?
hinge, ball-and-socket, pivot
a crack or break in a bone
fracture
a joint that allows only back-and-forth movement
hinge joint
the kneecap
patella
hard, living tissue
bone
What is the job of cartilage?
to cushion joints
a place where two or more bones come together
joint
a joint that allows side-to-side movement
pivot joint
the bone in the center of your chest that also protects your heart and lungs
sternum
a tissue that moves a part of the body
muscle
Where are new blood cells produced?
Bone Marrow
a strong skeletal tissue that is softer and more bendable than bone
cartilage
a joint that allows movement in many directions
ball-and-socket joint