Skeleton Test

Bones are longer than they are wide (arms, legs)

• Long

• Short

• Irregular

• Flat

Usually square in shape, cube like (wrist, ankle)

Flat, curved (skull, sternum)

Odd shapes (vertebrae, pelvis)

In arms, legs and fingers. For example, the femur is the longest, heaviest, and strongest bone in the entire human body.

• Irregular

• Long

• Short

• Flat

These bones support and protect important parts of the human body, like the spinal chord. Example: Vertebrae

With many holes in it.

• Spongy Bone

• Marrow

• Compact

Hard and outer layer of the bone

Soft. Makes blood cells.

• Compact

• Spongy

• marrow

How many bones are in the human body?