Skeleton Science
Bone Functions
Bone Anatomy
Weird Bone Facts
Bone Health
100

An adult human skeleton contains this number of bones.

206

100

Bones give your body this, keeping you from being a puddle on the floor.

Shape (or structure)
100

This bone protects the brain.

Skull

100

The smallest bone in the human body is found here.

The ear (Stapes)

100

This vitamin helps your body absorb calcium.

Vitamin D

200

Babies are born with about 270 bones, but many join together as they grow. This process is called ______?

Bone fusion

200

Bones and muscles work together to perform this action.

Movement

200

This group of bones protects the heart and lungs.

Rib cage

200

The femur is the longest bone in the body, but this bone is often considered the strongest.

Femur

200

Spending time outdoors can help your body make Vitamin D from this natural source.

Sunlight (The Sun)

300

This type of tissue connects bones together at a joint.

Ligaments

300

Bone marrow produces these cells that carry oxygen through your body.

Red blood cells

300

The femur is located in this part of the body.

Thigh

300

Humans and giraffes both have this number of neck bones.

7

300

Doctors use this imaging technology to look for broken bones.

X-ray

400

Without this mineral, bones become weak because it helps make them hard and strong.

Calcium

400

Bones act as storage containers for minerals like calcium and this other mineral.

Phosphorus
400

This column of bones supports the body and protects the spinal cord.

Spine

400

Sharks have skeletons made mostly of this material of bone.

Cartilage

400

A crack or a break in a bone is scientifically called this.

Fracture

500

The skeletal system (bones, cartilage, and joints) works closely with this system to help you move.

Musclar system

500
This soft material found inside many bones helps create new blood cells.

Bone marrow

500

This is the name of the movable place where two bones meet.

Joint

500

If you lined up all the bones in one hand, you would count this many bones.

27

500

This medical specialist treats broken bones and other injuries of the skeletal system.

Orthopedic doctor