Bone and Muscle

What is the longest bone in your body?

• radius

• femur

• phalanges

• Clavicle

• Rib

• Humerus

• Scapula

What are the bones that protect your heart and lungs?

• Rib cage

• Clavicle

• Femur

• Radius

The muscular and skeletal systems work together to __________.

• help us move

• carry blood to all parts of the body

• carry digested food to all parts of the body

• take air into the body and remove air from the body

A living thing is called a vertebrate if it has a ....

• backbone             

• head

• neck         

•     tail

We can make our bones and muscles strong by __________.

• eating a lot

• exercising regularly

• not keeping a proper posture

• lifting heavy objects regularly

Which of the following shows the functions of the skeletal system?

 (1) It protects our organs.

 (2) It carries air to all parts of our body.

 (3) It allows us to move our body parts.

 (4) It gives our body shape and supports our body.

• 1 and 4 only

• 2 and 3 only

• 1, 3 and 4 only

• 1, 2, 3 and 4

When you bend your leg, the quadriceps___ and the hamstrings -----

• contract, relax

• relax, contract

• contract, contract

• relax, relax

Which of the following functions is wrongly matched to the bone?

• A

• B

• C

• D

Many animals have a skeleton on the outside of their body. What is it called?

• Endoskeleton

• Exoskeleton

• Vertebrate

• Skeleton