Pregunta:
Role of external intercostal muscles
Autor: Freya WatsonRespuesta:
During inhalation, the external intercostal muscles contract, pulling the ribs up and out, increasing chest volume and drawing air in. During exhalation, the internal intercostal muscles contract, pulling the ribs down and in, decreasing chest volume and forcing air out
0 / 5 (0 calificaciones)
1 answer(s) in total