skeletal system

Name two reasons we have a skeleton

• framework: gives up shape

• to make us taller

• to protect our organs

• for looks

How many bones are there in the skeleton?

• 18

• 222

• 206

• 34

What two materials are found in the skeleton?

• muscles

• bone

• teeth

• cartilage

What two materials are found in the bone?

• nerves

• blood vessels

• skin

• hair

What is the soft part of the bone called?

• fluid

• cartilage

• vertebra

• marrow

What is made in the marrow?

• food

• drink

• red blood cells

• organs

What is the most important bone in the body?

• leg

• backbone

• skull

• toe

What is each little bone in the backbone called?

• vertebra

• vertebrae

• spinal cord

• cartilage

What does the vertebrae protect?

• red blood cells

• brain

• nothing

• spinal cord

How many vertebrae does an adult have?

• 27

• 22

• 26

• 300

Tags

NGSS.MS-LS4-2