healthy tissue

例句：

1. 1. The healthy tissue is vital for the body's functioning.
   健康的组织对于身体的功能至关重要。
2. 2. The doctor removed the unhealthy tissue from his leg.
   医生从他的腿上移除了不健康的组织。
3. 3. The study found that regular exercise can improve the health of the heart and blood vessels.
   研究发现，定期锻炼可以改善心脏和血管的健康。