Acute bronchitis, which is a short-term inflammation of the surface lining of the bronchial airways, is most commonly caused by an infection that causes acute bronchitis to be contagious. The infection typically lasts for seven to 10 days, but you may continue coughing for many weeks after the initial symptoms have passed.
Noun. 1. body structure-a particular complex anatomical part of a living thing; he has good bone structure. anatomical structure, bodily structure, complex body part, structure. layer-thin structure composed of a single thickness of cells.vea-the part of the eye that contains the iris and ciliary body and choroid. lens nucleus, nucleus-the central structure of the lens that is surrounded by the cortex. membranous labyrinth-the sensory structures of the inner ear including the labyrinthine receptors and the cochlea; contained within the bony labyrinth.
Cells are the basic building blocks of living things. The human body is composed of trillions of cells, all with their own specialised function. 1  Cells are the basic structures of all living organisms. 2  Cells provide structure for the body, take in nutrients from food and carry out important functions. Cells provide structure for the body, take in nutrients from food and carry out important functions. 2  Cells group together to form tissues, which in turn group together to form organs, such as the heart and brain.