dʒˈuːlɪəs wʌzðə fˈɜːst tə dᵻskɹˈaɪb ðæt wiː duːnˌɑːt ɪnhˈeɪl ænd ɛkshˈeɪl ðə fˈʊl kəpˈæsᵻɾi ʌvðə lˈʌŋz wɛn wiː bɹˈiːð, ɪnstˈɛd lˈiːvɪŋ ˈɛɹ ɪnðə lˈʌŋz wɛn wiː hæv fˈʊli ɛkshˈeɪld, ænd bˌiːɪŋ ˈeɪbəl tə fˈɜːðɚɹ ɪnhˈeɪl ˈæftɚ wiː hæv tˈeɪkən ɐ bɹˈɛθ.
Julius was the first to describe that we do not inhale and exhale the full capacity of the lungs when we breathe, instead leaving air in the lungs when we have 'fully' exhaled, and being able to further inhale after we have taken a breath.