لماذا استخدم which بعد part of a team في الوحدة الاولي لThe world of work في قطعة Magdi Yaccoub

which رابط بمعنى الذي للغير عاقل والجملة معناها (عضو من الفريق الذي ) يعني which تعود على كلمة team

http://t0.gstatic.com/images?q=tbn:ANd9GcTXa0xyteqxXdgnRqgM7b3H3Q_gDemaI S7XO-DyOS8l-tBid7KAMBEc-7M (http://www.google.com.eg/imgres?imgurl=http://files2.fatakat.com/2011/3/13001178701212.gif&imgrefurl=http://sh22y.com/vb/t144660.html&usg=__DCAS2hVbYwarhnext3mIDtXMcHE=&h=350&w=350&sz=143&hl=ar&start=28&zoom=1&tbnid=uf1pTBdSQHOGkM:&tbnh=120&tbnw=120&ei=gshUTrLcEYXDtAb1wsEq&prev=/search%3Fq%3D%25D8%25B5%25D9%2588%25D8%25B1%2B%25D 9%2584%25D8%25A7%25D8%25B4%25D9%2583%25D8%25B1%2B% 25D8%25B9%25D9%2584%25D9%2589%2B%25D8%25A7%25D9%25 84%25D9%2585%25D9%2588%25D8%25B6%25D9%2588%25D8%25 B9%26start%3D20%26um%3D1%26hl%3Dar%26sa%3DN%26tbm% 3Disch&um=1&itbs=1)

Even though a team is made of people, a team itself is a thing, not a person. So either which or that can be used as a relative pronoun (or whose if a possessive is needed), but not who.
Best Regards