Science

The weightlifter uses his muscles to lift weights. The muscles ________to make the weights move.

• Constriction

• contract

• fat

• relax

• glucose

Explain why the weightlifter needs to eat plenty of protein. 

Tags

NGSS.MS-LS1-7

Which of the following is NOT a function of the skeletal system?

• protection

• stores calcium

• produces red blood cells

• generates heat

What powers muscles?

• glucose

• nitrogen

• carbon dioxide

Long bones are found in the

• fingers

• spine

• arms and legs

• ribs and skull

What kind of motion is possible with hinge joints, like those in your fingers?

• gliding

• rotating

• back and forth

The place where two or more bones meet.

• Joint

• tendon

• ligament

What type of joint is found in the hip?

• hinge

• gliding

• ball and socket

• pivot

• clavicle

• humerus

• ribs

• cranium

What could you not do if you did not have muscles?

• move

• feel

• think