Movers and Shapers - ReadyGen 4th Grade

Muscles are:

• Able to move in three directions

• Controlled by the bones

• Grouped in pairs

• Make up over 90% of our body's weight

Which of the following is body parts hold joints and bones tightly together?

• Cartilage

• Tendons

• Bones

• Muscles

Which joint is the most flexible/moveable?

• Saddle joint

• Hinge joint

• Ball and socket joint

• Pivot joint

Which of the following are true about muscles?

• They pull on the bones

• They push on the bones

The gaps between bones in a baby's skull are called:

• Tendons

• Ligaments

• Cartilage

• Fontanels

Which bone is the largest and strongest bone in the body?

• Pelvis

• Femur

• Sternum

• Jaw

The Satorious muscle allows a person to:

• Sit cross-legged

• Rotate the knee outward

• Pull up the knee

• All answer options are correct

A bone is stronger than a ____________ bar the same weight.

• Aluminum

• Metal

• Steel

• Gold

The jelly-like substance inside the bone is the:

• Living bone

• Spongy bone

• Bone marrow

• Compact bone

The vertebrae in the spine protects the:

• Saddle and base joint

• Pivot joint

• Spinal cord

• Knee cap