<prompt> Oxygen inowanzova chibereko chechii? Tichifunga nezvemubvunzo wapfuura, nyora mashoko akapoteredza mhinduro yacho. Inogona kuva mitsara 1 - 20. Mashoko akapoteredza:  <response>: Singlet okisijeni izita rakapiwa kumhando dzakawanda dzesimba rakakwirira remamolecular O2 umo maerekitironi ose anotenderera akabatanidzwa. Inopindura zvikuru kumamorekuru akajairika emiti kupfuura okisijeni yemamorekuru pachayo. Muzvisikwa, okisijeni inonzi singlet inowanzoumbwa nemvura panguva yokuita photosynthesis, ichishandisa simba rezuva. Inogadzirwawo mu troposphere ne photolysis ye ozone nechiedza chewavelength pfupi, uye ne immune system sechinhu chinopa okisijeni inoshanda. Carotenoids iri mumhuka dzinoita photosynthesis uye zvichidawo mumhuka inoita basa guru mukutora simba kubva kuoxygen singlet uye kuishandura kuti ive isina kusimba isati yaita kuti tishu dzikuvadzwe. 