Basic Bone Facts
What protects your brain like a helmet?
Skull
What is the biggest bone in your body, in your thigh?
Femur
What is the place where two bones meet?
Joint
Tough bands that attach bone to bone.
Ligaments
I am a type of joint that lets you nod your head yes or no. What joint am I?
Pivot joint
This part of your skeleton helps you stand tall and bend.
Spine
This bone is in your lower leg and helps with balance.
Fibula
This rubbery tissue helps bones move smoothly.
Cartilage
A bone in your upper arm that helps you lift.
Humerus
I am the type of joint in your thumb that lets it slide over other bones. What joint am I?
Gliding joint
What are the two types of bone marrow?
Red and yellow
These curved bones protect your heart and lungs.
Ribs
This type of joint moves in one direction like your elbow.
Hinge joint
A flat bone in the middle of your chest.
Sternum
I describe the hard outer layer of your bones that protects them. What kind of bone am I?
Compact bone
What mineral keeps bones strong?
Calcium
The bone on the thumb side of your lower arm.
Radius
The joint in your shoulder that allows free movement.
Ball-and-socket joint
The smaller bone in your lower arm on the pinky side.
Ulna
I let your elbow bend like a door swinging open and closed. What type of joint am I?
Hinge joint
What are the three layers of a bone?
Compact bone, spongy bone, and bone marrow
The bone at your hips that holds your legs in place.
Pelvis
What connects bones to muscles?
Tendons
The spongy substance inside bones that makes blood cells.
Bone marrow
I’m one of the two types of bone marrow and I store fat instead of making blood cells. What kind am I?
Yellow bone marrow