Inside the body, artificial heart valves are in common use with artificial hearts and lungs seeing less common use but under active technology development.
ɪnsˈaɪd ðə bˈɑːdi, ˌɑːɹɾɪfˈɪʃəl hˈɑːɹt vˈælvz ɑːɹ ɪn kˈɑːmən jˈuːs wɪð ˌɑːɹɾɪfˈɪʃəl hˈɑːɹts ænd lˈʌŋz sˈiːɪŋ lˈɛs kˈɑːmən jˈuːs bˌʌt ˌʌndɚɹ ˈæktɪv tɛknˈɑːlədʒi dɪvˈɛləpmənt.