Question

With the help of labelled diagram , explain Respiratory system and mechanism of respiration?

Answer 1

Answer:

in the respiratory system nasalcavity,nostril , epiglottis , pharynx, larynx, trachea , bronchi , bronchioles ,alveoli are involved . steps involved in respiration are1.breathing , 2.gaseous exchange at lungs level , 3. gas transport by blood ,4. gaseous exchange at tissue level ,5. cellular respiration