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- Mollusks
- Mollusks are marine animals, such as clams, that have _____1_____ shells.
- They have a simple _____2_____ that pumps fluid like blood.
- Another set of organs, the stomach and _____3_____, digest food.
- A pair of _____4_____ called the siphons pump food-filled water in and out.
- The largest _____5_____ , the foot, moves the mollusk across the sea bottom.
- protective
- large
- soft
- rough
- protective
- heart
- stomach
- gut
- vein
- heart
- intestines
- mouth
- anus
- kidney
- intestines
- tubes
- nostrils
- mouths
- intestines
- tubes
- muscle
- stomach
- nerve
- tentacle
- muscle
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