Hemichordata has an open circulatory system, and respiration occurs through gills. The proboscis gland serves as the excretory organ.
Hemichordata has an open circulatory system, and respiration occurs through gills. The proboscis gland serves as the excretory organ.
| Text | Circulatory system is of open type and Respiration takes place through gills in phylum hemichordata . Excretory organ is proboscis gland |
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