He also thought that the lungs separate nitroaereus from air and pass it into the blood and that animal heat and muscle movement result from the reaction of nitroaereus with certain substances in the body.
Pensou tamén que os pulmóns separaban o nitroaereus do aire e pasábano ao sangue, e que a calor animal e o movemento muscular eran produto da reacción do nitroaereus con certas substancias no corpo.