Muscles and Bones

Which part of the diagram below causes a force to move the lower arm in the direction shown?

• A

• B

• C

• D

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

When you inhale, what do the muscles next to the ribs do?

• Contract to lift the ribs.

• Relax to lift the ribs.

• Contract to lower the ribs.

• Relax to lower the ribs.

The drawing shows the bones in a human skeleton. What is bone X used for?

• protection

• movement

• thinking

• growing hair

Look at the skeleton in the last question again. What is the name of joint Y?

• elbow

• knee

• shoulder

• hip

The largest bone in the body is the___.

• humerus

• patella

• femur

• heart

A Broken Bone is also known as a

• Dislocation

• Fracture

• Osteoporosis

• Sprain

Larger bones often have spaces inside them so that:

• they can be filled with blood.

• they can be filled with air.

• they can be broken more easily.

• they are lighter to move.

In a joint, the part that joins a muscle to a bone is called a:

• ligament.

• tendon.

• cartilage.

• cartridge.

When standing, your quadriceps muscle swings your lower leg forwards but not backwards. Why?

• Your lower leg can’t swing backwards.

• The quadriceps muscle can only pull in one direction.

• The quadriceps muscle can only push in one direction.

• The quadriceps muscle is too weak.

The action of muscles is controlled by:

• blood from the circulatory system.

• thoughts from the brain.

• movements of the locomotor system.

• impulses from the nervous system.