Which of the following is the correct sequence of air passage during inhalation ? (a) nostrils → larynx → pharynx → trachea → lungs (b) nasal passage → trachea pharynx → lirynx → alveoli (c) larynx → nostrils → pharynx → lungs (d) nostrils → pharynx → larynx → trachea → alevoli
Draw a labelled diagram.
(a) Respiratory system
(b) Digestive system.