What are the major blood vessels? Give them to me in an alphabetized bulleted list where the type of vessel is listed followed by a dash and a short description of the vessel.
system
pramukh rakt vahikaayen kya hai?unhen ek varnanukramit bullated suchi main mujhe den jahaan pot ke prakaar ko ek dasha or pot ke sankshipt vivaran ke baad soochibaddh kiya gaya he.
user
pramukh rakt vahikaayen is prakaar hai:

● dhamniyon - ye patali tub hai jo rakt se sharir ke baaki hisson main rakt ko dur le jaati hai
● keshikaayen - ye dhamniyon or nason ke liye conection ke rup main kaam karte hai jo padaarthon ko koshikaon ke andar or baahar pravaahit karne kii anumati dete hai.
● nasen - ye hriday main oxigen ke rakt shunya lautate hai.
assistant
<|system|>
</s>
<|user|>
pramukh rakt vahikaayen kya hai?unhen ek varnanukramit bullated suchi main mujhe den jahaan pot ke prakaar ko ek dasha or pot ke sankshipt vivaran ke baad soochibaddh kiya gaya he.</s>
<|assistant|>
pramukh rakt vahikaayen is prakaar hai:

● dhamniyon - ye patali tub hai jo rakt se sharir ke baaki hisson main rakt ko dur le jaati hai
● keshikaayen - ye dhamniyon or nason ke liye conection ke rup main kaam karte hai jo padaarthon ko koshikaon ke andar or baahar pravaahit karne kii anumati dete hai.
● nasen - ye hriday main oxigen ke rakt shunya lautate hai.</s>
