Skeletal System Quiz

Which is NOT a function of the skeletal system?

• To hold a person upright

• protect the vital organs

• let you move in many ways

• pump blood through the body

How many bones are in an adult body?

• 306

• 300

• 206

• 150

Which is the hard bone on the outside of the layer?

• spongy bone

• bone marrow

• compact bone

Which is a thick jelly in the center of the bone; it creates blood cells?

• bone marrow

• spongy bone

• compact bone

Tags

NGSS.MS-LS1-3

Which is the softer bone in the middle layer?

• bone marrow

• spongy bone

• compact bone

Which describes where two bones meet?

• ligament

• tendon

• joint

Which is like a very strong rubber band that holds your bones together?

• ball and socket

• ligament

• hinge joint

What type of joint is between the humerus and ulna?(look at the picture!)

• hinge joint

• ball and socket

How many bones does a baby have before they merge into adult bones?

• 206

• 300

• 306

• 200

At what age do your bones stop growing?

• 30

• 20

• 25

• 15