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A disease that develops without a known or apparent cause is called:
Gastrodermis
The inner lining of the digestive cavity in cnidarians and some other invertebrate animals.
Epidermis
In mammals, the outer, protective layer of the skin; in plants, tissue that covers roots, leaves, and stems of nonwoody organisms.
Flame Cells
Specialized cells in certain invertebrates, including flatworms, used for excreting excess water and waste.
Hemolymph
A fluid equivalent to blood in most invertebrates, occupying the interior of their bodies and bathing their cells.
Q17: carp/o<br>A)bone marrow<br>B)sac<br>C)wrist<br>D)hip joint<br>E)knuckle of a joint<br>F)cancer<br>G)fiber<br>H)hump<br>I)joint<br>J)cartilage
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Q75: Which of the following roots means "cell"?<br>A)
Q92: Abnormal enlargement of a kidney is called
Q95: Excision of a lung is known as