如图是人体内气体交换和运输示意图请据图回答1图中ad分别代表什么气体a d .2a和b的交换过程是通过 来完成的而肺泡与 Template




You need a modern browser try chrome, to view this.

Background image: Hide Show

View Larger Image Image Credit: 1010jiajiao.com






Try and sketch some of theseFactory, Sock hop, Firefighter, Mustache, Tornado, Dessert, Police, Maid, Sprinkles, Electric fan, view more ideas


please wait, the page is loading...

More Sketches

Take a peek at some of the sketches created by our users, are you a sketchite?

anonymous
anonymous
sketch #1669


anonymous
anonymous
sketch #5275


Helyryn
sketch #293 jdjdjdjdj


anonymous
anonymous
sketch #4945


anonymous
anonymous
sketch #929 tree stump


anonymous
anonymous
sketch #5257


anonymous
anonymous
sketch #5226


Donara Smbatyan
sketch #1454 donara


anonymous
anonymous
sketch #1453


anonymous
anonymous
sketch #5160 Marilyn Monroe by Muhammet Karadoğan


anonymous
anonymous
sketch #5135 &#;Hypno Colorfull&#; by Lars Tunebo


James Forest
sketch #2996 American Flag


Donara Smbatyan
sketch #1455 donara


Donara Smbatyan
sketch #1452 donara


anonymous
anonymous
sketch #3148


anonymous
anonymous
sketch #1221 səhər abbasova gözəi qız hamı məni çox seve anam da çox sevir


anonymous
anonymous
sketch #2197


anonymous
anonymous
sketch #3036 Wiz Khalifa by Malyi Link


anonymous
anonymous
sketch #523 the man


anonymous
anonymous
sketch #3639


anonymous
anonymous
sketch #5350


Jay Lantz
sketch #3743 Just for fun


anonymous
anonymous
sketch #3388 Fight Club by Alvaro Velasquez


Tom Kelly
sketch #643 Happy Valentines


Saifa Mahmud
sketch #1670


anonymous
anonymous
sketch #3390 Beautiful drawing by Jessie Lightwood


anonymous
anonymous
sketch #3558 Eye Rubel Parvez


anonymous
anonymous
sketch #4948 Snow White by George Lucaz


sketchmaster
sketch #2627 Taz by sketchmaster

tomski如图是人体内气体交换和运输示意图请据图回答1图中ad分别代表什么气体a d .2a和b的交换过程是通过 coloring