G7 Structure and Support 1

What is the main job of a muscle?

• Provide structure to the body

• Contract and relax to help the body move

• Sense the environment and send signals to the brain

• Protect the inner organs

Which of these systems helps the muscular system to move the body?

• Nervous system

• Circulatory system

• Skeletal system

• All of the above

What do we call the place where two bones meet?

• A joint

• A bridge

• A bind

• A ligament

Which tissue connects two bones at a joint, stretching as they move to hold them together?

• Muscle

• Ligament

• Bone

• Nervous

What type of joint is our shoulder?

• Ball and Socket

• Hinge

• Pivot

• Immovable

What type of joint is our knee?

• Ball and Socket

• Hinge

• Pivot

• Immovable

What type of joint do we find in our skull?

• Ball and Socket

• Hinge

• Pivot

• Immovable

Which is NOT a function of our skeletal system?

• Provide support to the body

• Protect the internal organs

• Send signals around the body

• Produce red blood cells, store fat and calcium

A flatworm does not have bones like us. Instead, it uses muscles to pump fluids through tubes in it's body, providing structure and allowing it to move. This is called a(n):

• exoskeleton

• hydrostatic skeleton

• immovable joint

• ligament

A scorpion does not have bones like us. Instead, it has a hard outer shell to provide support and protection. This is called a(n):

• exoskeleton

• hydrostatic skeleton

• immovable joint

• ligament