Skeletal System

Notice that the lower jawbone is missing. What is this called without the lower jawbone?

• mandible

• maxilla

• skull

• cranium

• zygomatic bone

Extend your arm out to your side and point your thumb up. What is the bone in the lower arm that is underneath the other called?

• humerus

• tibia

• fibula

• ulna

• radius

Extend your arm out to your side and point your thumb up. What is the bone in the lower arm that is on top of the other called?

• humerus

• tibia

• fibula

• ulna

• radius

What is the longest and strongest bone of the human body called? It is the upper leg bone.

• humerus

• tibia

• fibula

• scapula

• femur

In the lower leg, there are two bones. One is thick and the other is fine (thin). What is the fine bone called?

• clavicle

• femur

• fibula

• tibia

• sternum

In the lower leg, there are two bones. One is thick and the other is fine (thin). What is the thick bone called?

• clavicle

• femur

• fibula

• tibia

• sternum

A joint is where two or more bones meet. This joint is called ????

• fixed joint

• gliding joint

• hinge joint

• pivot joint

• ball and socket joint

In this diagram, the collarbone is shown in red. What is the scientific name of this bone?

• tibia

• clavicle

• sternum

• pectoral girdle

• pelvic girdle

In this diagram, the breastbone is shown in red. What is the scientific name of this bone?

• tibia

• clavicle

• sternum

• pectoral girdle

• pelvic girdle

When you include the lower jawbone, this entire structure is called?

• skull

• cranium

• mandible

• maxilla

• zygomatic bone