Your respiratory system has built-in methods to keep harmful things in the air from entering your lungs. Hairs in your nose help filter out large particles. Tiny hairs, called cilia, along your ...

As it turns out, deep breathing is not only relaxing, it's been scientifically proven to affect the heart, the brain, digestion, the immune system -- and maybe even the expression of genes.

Compressors in each ear draw air through built-in filters ... concentration of NO can irritate airways in the human respiratory system. Such exposures over short periods can aggravate respiratory ...

As paleontologist Matt Wedel argued in a 2003 review of sauropod biology, though, these positions are based upon assumptions about dinosaur respiratory systems and physiology that used ...

Save guides, add subjects and pick up where you left off with your BBC account. Trachea Brings air into the lungs. Supported by rings of cartilage that prevent it collapsing Bronchus Branches off ...

That oxygen may be stored in its lungs, in other parts of the respiratory system or in air pockets adhering to its skin, which are then incorporated into the head bubble. Oxygen may also diffuse ...

Artificial breathing system reveals alveoli function in lungs. ScienceDaily . Retrieved June 2, 2025 from www.sciencedaily.com / releases / 2022 / 09 / 220906114200.htm ...