The cell is the structural and functional unit of living organisms. It was discovered by Robert Hooke in 1665.

ICSE Class 9th Biology Syllabus 2025-26: Get here detailed ICSE Board Class 9 Biology Syllabus chapter-wise, marking scheme, weightage, paper pattern and Download PDF.

A new structure in human cells has been discovered. The structure is a new type of protein complex that the cell uses to attach to its surroundings and proves to play a key part in cell division.

Functional studies indicate that these metalloproteinases play diverse and important roles in hydra morphogenesis and cell differentiation as well as specialized functions in adult polyps.

These proteins play important roles in forming tissues that have a specific shape and pattern of cells. To date, we do not fully understand CELSR cadherin structure and function.

An introduction to bones. We discuss their function, the different types of bones in the human body, and the cells that are involved.

It's no coincidence that our bodies feel a little creakier as we age. The trillions of cells that make up our skeleton age too, and some change in ways that weaken the very structure of our bones.