Stem cell research is opening up new frontiers in medicine.

He is deeply interested in academic studies.

He is studying at the library every day.

I love biology.

It is important to learn the basic grammar of Japanese.

The structure of this building is very complex.

Life is precious.

Neuroglia play an important supporting role in the nervous system.

Microglia are immune cells in the brain, playing a role in maintaining the health of the nervous system.

Cone cells are the main visual receptors for recognizing colors.