inspiratory reserve volume in Medicine. inspiratory reserve volume n. Abbr. IRV The maximal volume of air that can be inhaled after a normal inspiration. Also called complemental air. The American HeritageÂ® Stedman's Medical Dictionary
Niall Horan height in feet and cm: Niall Horan Thomas height is 5 FT 8 or 173 cm like Gary Numan the English singer, Ewen Bremner the Scottish actor, Usher Raymond the American singer and Dennis Hopper the American actor. Niall Horan weight in Pounds/lbs and KGs: Niall Horanâs weight is 161 lbs or 73 kg.
Zayn Malik Height Comparison. As we can see Zayn is an inch shorter than the tallest member Harry Styles, who stands at 5â10â. He is also 2 inches taller than the shortest member Niall Horan who is 5â7â tall. Here we have the boys of One Direction next to Simon Cowell. Simonâs height is know at 5â9â, the same as Zayn.