The researchers explain that COPD is a disease associated with aging, as older patients are more susceptible to it because of how their respiratory system structure and function change with age.

The respiratory system is responsible for providing oxygen to the rest of our body. We’ll discuss the anatomy and function.

Instead, surfactant is also important in narrow tubular respiratory structures such as the terminal airways of mammals and the air capillaries of birds. (3). Insect tracheoles: We investigate the ...

The functions of biomolecules, including lipids, nucleic acids and especially proteins are determined to a great extent by their structure. This ...