5 CBS W5

If a person injures the bones in their shoulder girdle, which of the following movements would become difficult?

• Kicking a football

• Turning the neck

• Lifting a bag

• Bending the knee

Which part of the appendicular skeleton is most responsible for maintaining body balance while walking?

• Skull

• Pelvic girdle

• Shoulder blade

• Ribs

If a scientist discovers a fossil with a strong and wide pelvic girdle, what can they most likely conclude?

• The creature had wings.

• It walked on two legs.

• It had a long tail.

• It lived in water.

During a fall, which bones of the appendicular skeleton help protect the chest by absorbing the shock through the arms?

• Femur

• Clavicle

• Spine

• Skull

Why are the bones in our hands and feet structured with many small bones instead of a few big ones?

• To make the skeleton heavier

• To reduce blood flow

• To increase flexibility and precise movement

• To prevent bone growth

Which of the following situations would directly test the strength of the appendicular skeleton?

• Lifting a heavy box

• Thinking hard

• Breathing deeply

• Listening to music

A student says, “Our legs are attached to the backbone.” Is this statement completely correct?

• Yes, directly.

• No, legs float freely.

• Not directly; they are connected through the pelvic girdle.

• They are connected to the skull.

Which scenario shows proper cooperation between upper limb bones and shoulder girdle?

• A child drawing on paper

• A person sleeping

• An animal blinking

• A boy reading a book quietly

If the pelvic girdle were missing, which of these actions would be hardest to perform?

• Holding a spoon

• Turning your head

• Standing upright

• Blinking eyes

A robot is being designed to mimic human walking. Which part of the skeleton must be studied the most?

• Skull and ribs

• Arm and shoulder girdle

• Leg bones and pelvic girdle

• Fingers and wrist bones