Bones and the Skeleton

What You'll Learn

Bones make up the skeleton, which supports the body, protects organs, and works with muscles to create movement. Adults have 206 bones, while babies are born with about 270.

Key Words

brain
digestive system
respiratory system

Steps

Step 1 — Read

Read and learn: Bones make up the skeleton, which supports the body, protects organs, and works with muscles to create movement. Adults have 206 bones, while babies are born with about 270.

Step 2 — Do

Repeat the experiment two more times for accuracy.

Step 3 — Observe

Note any unexpected results.

Step 4 — Record

Share your findings with the class or a partner.

Check Your Understanding

Question 1

1 of 3

How do muscles work to move bones?