Bone Basics
How many bones are in the adult human body?
206
What is the of the arm bone that is between your shoulder and elbow?
The humerus.
What do you call the place where two or more bones meet?
A joint.
Which bone protects your spinal cord?
The backbone (vertebrae / spine).
What is the main job of your skeleton?
To support, shape, and protect your body.
What is the common name for your clavicle?
The collarbone.
What kind of joint is in your elbow and knee that lets you bend and straighten?
A hinge joint.
What flexible, rubbery tissue cushions the tips of your bones so they don’t rub together?
Cartilage
What hard, strong organ protects your brain?
The skull (or cranium).
What is the longest and strongest bone in your body?
The femur. (thigh bone)
What kind of joint is in your shoulder and hip that lets your arm or leg swing in a circle?
A ball-and-socket joint.
What mineral do you need to drink in milk or eat in cheese to keep your bones strong?
Calcium.
What soft, jelly-like stuff inside your bones makes red blood cells?
Bone marrow.
Which bones form a protective "cage" around your heart and lungs?
The ribs (ribcage).
What strong, stretchy bands connect bone to bone?
Ligaments.
What do you call a crack or break in a bone?
A fracture.
True or False: Babies are born with more bones than adults have.
True (babies have around 270+ bones that fuse together as they grow).
What is the name for the bone that connects your ribs in front?
The sternum.
What tissues connect your muscles to your bones?
Tendons.
Why is a baby’s soft spot on their head important when they are born?
It gives the brain room to grow.