Biology Chapter 22-2

Biology Chapter 22-2 - 1 Chapter 22 Section 2 The Skeletal...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Chapter 22 Section 2 - The Skeletal System When you hear the word skeleton, what do you think of? Do you think bones are dead? You may think they are dry and brittle. But they are alive and active. Bones, cartilage, and the connective tissue that holds bones together make up the skeletal system . The average adult human skeleton has 206 bones. 4 Functions of bones protection storage movement blood cell formation Protection brain protected by skull. heart and lungs protected by ribs spinal cord protected by vertebrae Storage bones store minerals that help muscles and nerves function properly. Long bones store fat used for energy. Movement 1
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Skeletal muscles pull on bones to provide movement. Blood Cell Formation bone marrow makes blood cells. Bone Structure Bone is a living organ made of several types of tissues. Bone is made of connective tissue and minerals. Minerals are deposited by living cells called osteoblasts.
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 3

Biology Chapter 22-2 - 1 Chapter 22 Section 2 The Skeletal...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online