Pregunta:
Role of diaphragm
Autor: Freya WatsonRespuesta:
When the diaphragm contracts, it flattens, increasing chest volume and lowering lung air pressure, drawing air in. When it relaxes, it moves up, decreasing chest volume and raising lung air pressure, forcing air out
0 / 5 (0 calificaciones)
1 answer(s) in total
Autor
Freya Watson