the upper part of the body containing the face, brain, and sensory organs

a leader or person in charge

प्रमुख

English Usage: The head of the department will review the project.

Hindi Usage: विभाग के प्रमुख परियोजना की समीक्षा करेंगे।

a basic structural, functional, and biological unit of all known living organisms

कोशिका

English Usage: The human body is made up of trillions of cells.

Hindi Usage: मानव शरीर ट्रिलियनों कोशिकाओं से बना है।

a small room, typically one occupied by a prisoner