The Skeletal System

Which is not a portion of the appendicular skeleton in a vertebrate animal?

• ribs

• humerus

• pelvis

• scapula

The axial skeleton is composed of _______?

• vertebrae, arms, legs

• shoulders, forelimbs, and pelvis

• head, pelvis, legs

• head, vertebrae, ribs

Which type of vertebrae can impact mating?

• Thoracic

• Lumbar

• Sacral

• Coccygeal

Humans have five metacarpals, the fifth being connected to their opposable thumb. What other species has the same number of metacarpals?

• cow

• horse

• dog

• goat

The form of the bones in the axial skeleton functions to do what?

• Protect the body organs

• Produce blood cells

• Move the body

• Store nutrients