The normal and safe way cells die off when they're not needed or are harmful to the body.
Apoptosis helps to keep our body healthy by getting rid of old or damaged cells.
細胞死は、古い細胞や損傷した細胞を排除することで、私たちの体を健康に保ちます。
When a cell breaks down its own parts and dies in a way that doesn't hurt nearby cells.
Doctors are learning more about apoptosis to help fight diseases.
医師たちは、病気と戦うために細胞死についてさらに学んでいます。