How Many?
How many ribs does an adult skeleton have?
24 ribs, 12 on each side
What is the kneecap called?
The Patella
What is the longest bone in the body?
Femur
Name two saddle joints.
Clavicles and Thumbs
Osteoclasts
Break down bone
How many bones does an adult skeleton have?
206
Name the two bones in the forearm.
Ulna and Radius
What is the most commonly broken bone?
The clavicle
Name a cartilaginous joint.
Vertebrae
Osteoblasts
How many bones does an infant skeleton have?
300
Name the two bones in your lower leg.
Tibia and Fibula
What are the two girdles in the human skeleton?
Pectoral and Pelvic Girdle
Where are your only two ball-and-socket joints?
Shoulders and Hips
Yellow Bone Marrow
Store fat
How many bones are in an adult skull?
22 bones
What is your shoulder blade called?
Scapula
What are the two sections of the human skeleton?
Axial and Appendicular
Name a fibrous joint.
Skull sutures
Spongy Bone
Provide structural support, absorb shock, and house red bone marrow for blood cell production
How many thoracic vertebrae does and adult have?
12
What is your tailbone called?
Coccyx
What are the ends of long bones called.
Epiphysis
Name three hinge joints.
Fingers, Elbow, and Knee
Red Bone Marrow
Produces red blood cells