The process of embryogenesis is very complex, with continuous cell division and differentiation.

Germ cells play an important role in the reproduction of organisms.

Cell division is one of the basic processes of life.

This festival is held every year.

In this industry, specialization is progressing.

He decided to specialise in computer science.

This problem is very complex and cannot be solved easily.

The process of this project was very complicated.

His failures happened consecutively.

He went to the gym for five days in a row.