Surface Area

Why the smaller the cell, the larger the area

Why the smaller the cell, the larger the area

Cell division Multicellular organisms like humans are made up of cells of varying shapes and functions. Most cells are so small that they can see them only under a microscope because once they reach a certain … more

Wrinkles in living organisms

Wrinkles in living organisms

Respiratory organ To maintain life, we absorb oxygen from the air. And we export carbon dioxide from the body. Human respiratory organs include the nose, organs, bronchi and lungs. Each bronchus in the lung continues to … more