The Skeletal System

What is the name of the doctor from our student reader?

• Dr. Welby

• Dr. Welbody

• Dr. Eatright

• Dr. Jones

What is the human skeleton make out of?

• tendons

• nerves

• muscles

• bones

About how many bones are in the human body?

• 650

• 22

• 200

• more than a billion

Humans have a vertebrae. What does that mean?

• Humans have a backbone.

• Humans have a skull.

• Humans have arms and legs.

• Humans do not have a backbone.

Tags

CCSS.L.3.4A

CCSS.RI.3.4

What happens to your cranium bones as you grow from a baby to an older child?

• The bones in your neck grow apart so you can move it better.

• The bones in your legs are the strongest bones in your body.

• The bones in your head grow together.

• The bones in your cranium stay separate pieces.

You have two bones in the lower part of your leg. What are their names?

• Femur and Scapula

• Tibia and Fibula

• Pelvis and Cranium

• Rib and Shoulder Blade

What are two ways to keep your bones strong and healthy?

• Eat candy and sit around playing video games all the time

• Eat only vegetables and fruits

• Eat dairy products and exercise

• Take vitamins and drink diet pop

How is bone marrow cells like a little factory?

• The marrow cells are inside the bone and doesn't do anything else.

• The marrow cells are really not that important, so their job doesn't really matter.

• The marrow cells pump out red blood cells that carry oxygen to the body.

• The marrow cells tell your brain when to send signals to other parts of your body.

How does an X-ray work?

• The x-ray tells the doctor if you have a broken bone so they can put a cast on it.

• The x-ray sends electronic signals into your body. The signals send a picture back.

• The x-ray is super important. Without the x-ray the doctor couldn't tell if you had a broken bone.

• Light is sent to your body and the hard bone absorbs the light so it is seen in the x-ray picture.

Tags

CCSS.RI.3.1

CCSS.RI.3.2

How does the cast help heal a broken bone?

• The cast is for protection to the broken bone so it doesn't get bumped and hurt even more.

• The cast keeps the broken bones in place giving it a chance to heal.

• The cast is only used if you break your arm. Doctors don't put casts anywhere else.

• If we didn't have casts, when you broke your bone, it would never heal.