0 the organs in the body that are involved in respiration. In mammals the respiratory system includes the bronchi, bronchioles, diaphragm, lungs, and trachea -- sistema respiratorio
The respiratory system has built-in methods to prevent harmful substances in the air from entering the lungs.
NUOVE PAROLE
European
May 10, 2021
PAROLA DEL GIORNO
Shimmer
respiratory system