Chapter 4: Joints and Muscles

Poll

REVIEW: Muscles make bones move.

• TRUE

• FALSE

Multiple Choice

REVIEW: Which muscles work automatically? We can't make them move!

• Voluntary

• Strong

• Involuntary

• Intelligent

Multiple Choice

What are some joints in your body?

• elbow, shoulder, knee

• heart, lungs, liver

• fibia, sternum, scapula

Multiple Choice

How does the model on page 27 help you understand the text?

• The model shows how the spine can bend and straighten.

• The model shows the largest bone in the skeletal system.

• The model shows cartilage cushioning the vertebrae in the spinal column.

Multiple Choice

Ligaments connect bones to ______.

• Muscles

• Bones

• Organs

Poll

The Achilles tendon connects your heel bone to the muscles in your lower arms.

• TRUE

• FALSE

Multiple Choice

Your Achilles tendon is located just above your ____.

• Knee

• Cranium

• Heel

• Sternum

Multiple Choice

Reread paragraph 2 on page 30.

When Achilles was a baby, his mom dipped him in the River Styx so he would never die. She believed her son was invulnerable. What does invulnerable mean?

• Safe from harm, protected

• Very clever

• weak, in danger

Multiple Choice

What sentence from page 30 helps you know the meaning of invulnerable?

• She took her son and dipped him in the river.

• So this heel never got dipped in the river.

• Nothing could harm him - or so she thought.

Multiple Choice

What is the main idea of Chapter 4: Joints and Muscles?

• When Achilles was a baby, his mom tried to make sure that he would never die.

• Joints are cushioned by cartilage and join two bones together. Tendons connect muscles to bones.

• There is cartilage between each of the thirty vertebrae in our spinal column.