Cross section of the lower organs of the respiratory system, This image shows the lower organs of the respiratory system, which are the trachea, the lungs and the diaphragm. (Photo by: QAI ...

The anatomical development and maturation of the human respiratory tract is a complex multistage process that occurs not only in prenatal life but also postnatally. This maturation process depends, in ...

Pneumonia is an infection of the lung alveoli caused by bacteria, viruses or fungi. It is one of the leading causes of morbidity and mortality worldwide, representing a clinical and economic burden ...

Researchers have assessed virus growth and activation of the cellular defense mechanisms in the respiratory tract. They have shown that natural temperature differences that exist in the upper and ...

Part of Biology (Single Science) Cells, organ systems and ecosystems The air that enters the nasal cavity flows down the trachea. The trachea has a number of adaptations: cartilage rings in the walls ...

The human body is made up of many amazing parts and systems that all work together to keep us healthy. One of the key components of both the respiratory system and the digestive system is the pharynx, ...

The human respiratory system is composed of a network of tissues and organs that enable the body to absorb oxygen from the air as well as expel carbon dioxide and other waste gasses. These functions ...

If you are experiencing breathing problems, your primary healthcare provider may refer you to a pulmonologist. A pulmonologist is an internal medicine physician who specializes in respiratory health ...

The round batteries, small as buttons and shiny as coins, are prized for the energy they pack at their size. In households, they have become commonplace, powering remote controls, hearing aids, toys, ...