What organ filters blood and helps regulate salt and water levels?

Kidneys
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Related trivia

What is a cell that provides energy for another organism called?
Host Cell
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Which nutrient group is used to help grow and repair cells?
Proteins
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What is the largest crocodilian in the world?
Saltwater Crocodile
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What layer of the skin is just below the surface?
Dermis
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What is the name for a virus that infects a bacteria?
Bacteriophage
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How many stages are in a butterfly's life cycle?
4
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What is the outer skeleton of organisms such as spiders and insects called?
Exoskeleton
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What type of creature generally lives on land but starts life in the water?
Amphibian
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What is the outside covering of a plant's root called?
Root Epidermis
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What part of the plant gets water and nutrients to the rest of the plant?
Stem
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Which doctor or team of doctors is credited with pioneering the scientific study of human sexuality?
Masters And Johnson
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What grows from an acorn?
Oak Tree
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What is the correct plural of Keeshond?
Keeshonden
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What is the tube that carries food into the stomach called?
Esophagus
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What is a "jonquil"?
A Garden Plant
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From what tree did aspirin originally derive?
Willow
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What part of the brain is responsible for vision?
Occipital
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What "trapdoor" on your windpipe helps keep out food particles?
Epiglottis
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What powdery substance contains the male sex cells of a flower?
Pollen
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What is the leaf of a fern called?
Frond
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About how long is the human small intestine?
18 Feet
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What substance, found in food, helps move wastes through the body?
Fiber
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What is the cell where a virus reproduces called?
Host Cell
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What openings in a leaf allow gas exchange?
Stomata
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