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The lungs and respiratory system allow us to breathe. They bring oxygen into our bodies (called inspiration, or inhalation) and send carbon dioxide out (called expiration, or exhalation). This exchange of oxygen and carbon dioxide is called respiration.
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Answer: A normal female karyotype is written 46, XX, and a normal male karyotype is written 46, XY.
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Answer:
The disease is caused by the ciliate protozoan Ichthyophthirius multifiliis, commonly called ich or ick. Fish infected with ich typically develop small, blister-like, raised lesions (white spots) on the skin and/or fins.
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Answer:
Electron, Atom, Element, Molecule, Macromolecule, Cell, Tissue, Organ, Organ Systems, Organism
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