The Muscular System 1

Our bones cannot move without the help of muscles.

• True

• False

• Maybe

How many muscles are there in our body?

• about 500 muscles

• about 600 muscles

• about 700 muscles

• about 800 muscles

Tick the activities below that we need our muscles for.

• running

• jumping

• sleeping

• breathing

Our shoulder muscles help us to do the following activities, except..........

• move the shoulder joint

• raise our arms

• bend our arms

• lower our arms

Which set of muscles help to bend or straighten our arm?

• biceps and triceps

• biceps and quadriceps

• triceps and quadriceps

• triceps and soleus

What do our thigh muscles do?

• move our arm

• move our neck

• move our ankle

• move our leg

What does our calf muscles do?

• help us to stand

• help us to walk

• help us to sleep

• help us to tiptoe

Our bones can move when our muscles..........

• contract

• relax

• contract and relax

• contract and pulling

When a muscle contracts, it .........

• pulls and moves the bone attached to it

• pulls the bones

• moves the bones

• pulls and moves the bones in our body

When a muscle relaxes, it ..........

• pulls the bone closer to another bone

• pushes the bone towards another bone

• allows the bone to return to where it was

• allows the bone to pull another bone