The answer should be <span>The groups will probably diverge genetically, and speciation may occur.</span>
The respiratory system consists of all the organs involved in breathing. These include the nose, pharynx, larynx, trachea, bronchi and lungs. ... The nose, pharynx, larynx, trachea and bronchi all work like a system of pipes through which the air is funnelled down into our lungs.
The kidneys secrete an enzyme called renin