intricate

1 - Blood vessels form an intricate network, transporting nutrients and oxygen throughout the body and disposing of waste, keeping organs working properly.

2 - Coral colonies require a series of complicated events and circumstances to develop into the characteristically intricate reef structures for which they are known.

3 - New genes are being identified, and scientists are making rapid progress in untangling the intricate connections and pathways that govern immune responses.

4 - The thousands of proteins in the cells of an organism have intricate and disparate shapes.

5 - When, in addition to wool and linen, cotton and silk became available for making textiles, the organization of the supply of raw material became more intricate, for cotton and silk were imported from distant countries.