题目内容

What part of the skeletal system consists of the skull, breastbone, ribs and vertebrae?()

A. Systematic
B. Axial
C. Vertebral
D. Appendicular

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The appendicular skeleton consist of what parts?()

A. Head, sternum, ribs and vertebrae.
B. Hands, feet, legs, hips and arms.
C. Feet, head, legs, ribs and arms.
D. Hips, head, toes and fingers.

The point at which two bones come together is what?()

A. Ligaments
B. Pivot.
C. Ossification
D. Joint

The process in which cartilage is replaced by bone is called what? ()

A. Synovial fluid
B. Ossification
Compact bone
D. Fracture

5.According to the author, a born naturalist should first of all be ________.

A. full of ambition
B. full of enthusiasm
C. knowledgeable
D. self-disciplined

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