Directed Reading Section 2 - The Different Jobs of Cells

Match the terms in Column II with the definitions in Column I.

• Each type of cell has a specific _____

• organ system

• cell surrounded by calcium and phosphorous

• nerve cell

• groups of similar cells doing the same work

• tissue

• organs working together

• job

• a long-branched type of cell that sends messages quickly

• bone cell

Long, tubelike cells move water, food, and other materials through _____________________.

• plants

• animals

• rocks

• soil

_______ cells have long fibers that can contract and relax.

• muscle

• nerve

• epithelial

• bone

_______ cells are flat and close together, forming a protective layer over your body.

• skin

• leaf

• muscle

• plants

Some _____________________ cells are brick-shaped and contain many chloroplasts.

• leaf

• root

• stem

• flower

Match the following

• 2 or more tissues working together

• specialized

• the smallest living unit in the body

• cell

• Cells in many celled organisms are ____

• organ