Bones and Skeleton

A strong frame that supports our body from inside is called a ...

A skeleton is made up of

• Muscles

• Bones

• Body organs

How many bones is a skeleton made of?

• 260

• 266

• 206

What helps us understand how something works or see what something looks like that we cannot see in real life?

Tags

NGSS.MS-LS1-2

NGSS.MS-PS1-1

When muscles get shorter, we say that the muscles

• Relax

• Expand

• Contract

When muscles get longer, we say that the muscles

• Relax

• Expand

• Contract

Muscles work by getting

• Colder

• Shorter

• Warmer

• Harder

• Longer

Which organ in the body is not joined to any bone?

When one muscle in a pair relaxes, the other muscle relaxes

• True

• False

When a muscle gets shorter, it becomes fatter

• True

• False