Human Body 2

Question 1

Before you were born, your skeleton began as ________________.

Answer 1

cartilage

Question 2

When you were born you had about ___________ bones in your body.

Answer 2

300

Question 3

By the time you became an adult you have about _________ bones in your body.

Answer 3

206

Question 4

Why do you have less bones as an adult?

Answer 4

Your bones fuse, or join, together.

Question 5

What is the jellylike tissue that fills the cavities, or holes, in your bones?

Answer 5

marrow

Question 6

What do you call the skeleton that covers your major organs in your head and torso?

Answer 6

axial skeleton

Question 7

What is the job of the bones in the axial skeleton?

Answer 7

protect your organs

Question 8

What do you call the part of the skeleton that includes arms and legs?

Answer 8

appendicular skeleton

Question 9

What organ does your skull protect?

Answer 9

brain

Question 10

What is the top part of the skull called?

Answer 10

cranium

Question 11

How many ribs do you have?

Answer 11

24