Taylor

**II. Circulating needed materials: **  The starfish and The Crayfish both get o2, by taking it out of the water. They let it out by letting it back into the water.  The pig breathes in and out its nose, and it stores oxygen in its lungs. The lungs are like a filter taking air in and letting it out. O2 goes thorough the body by, in the pig through this red tube  In the starfish and crayfish get food by other ways. The starfish absorbs everything and the crayfish Gets it by grabbing with claws or its mouth.
 * 1) 1. How does O2 get in and out?
 * 2) 2. How is O2 and other materials moved throughout the body?
 * 3) <span style="background-color: transparent; color: #000000; font-family: serif; font-size: 16px; text-align: start; text-decoration: none; vertical-align: baseline;">3. Draw a diagram of the movement of O<span style="background-color: transparent; color: #000000; font-family: serif; font-size: 13px; text-align: start; text-decoration: none; vertical-align: sub;">2 and other materials through this system (or take a picture and mark up the movement).

Diagrams: of how food goes through and o2