McGraw-Hill Online Learning Center Test<BLURT>

McGraw-Hill Online Learning Center Test

1. Review the animation and answer the following questions.

The bones of the skeleton are important for movement because they

A. act as shock absorber for various organs.
B. insulate our body from the environment.
C. form a framework of support and leverage.
D. are a source of energy for the contraction of muscles.

2. While walking, humans A. move an opposite arm and leg forward at the same time.
B. move the same arm and leg forward at the same time.
C. move both arms forward and backward together.
D. move arms independently of the legs.

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