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 .2a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 theseWife, Princess, Hot tub, Elephant, Whippet, Food cart, Swan, Explosion, Watermelon, Slime, 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?

Loai Issa
sketch #2668 Butterfly by Loai Issa


anonymous
anonymous
sketch #4310 robot


anonymous
anonymous
sketch #4646 Panda by Raimundo Santos


Saifa Mahmud
sketch #1671


anonymous
anonymous
sketch #4979 Luffy


anonymous
anonymous
sketch #3127 Hulk George Lucaz


anonymous
anonymous
sketch #2023 For variety our own good friends fully understand states; through hard knocks we all our own good friends. priceminister


anonymous
anonymous
sketch #2423


anonymous
anonymous
sketch #1232 Dylan Thomas


Mirnes Sinanovic
sketch #2640 Marge by Mirnes Sinanovic


anonymous
anonymous
sketch #1045


anonymous
anonymous
sketch #5179 Audrey Hepburn by 陳一夫


anonymous
anonymous
sketch #1477 123 viva l 'algerie


anonymous
anonymous
sketch #3499 Alien Laura Gutierrez Hinojosa


anonymous
anonymous
sketch #3753


anonymous
anonymous
sketch #4480 ZOMBIE by Rubel Parvez


Mahmed Alhaj
sketch #3695


anonymous
anonymous
sketch #2577


anonymous
anonymous
sketch #4834 Aayla Secura by Nînâ Yämâhä


anonymous
anonymous
sketch #5361 Emma Watson by Glynis June Williams


anonymous
anonymous
sketch #3217


anonymous
anonymous
sketch #3378


anonymous
anonymous
sketch #323


anonymous
anonymous
sketch #2552


anonymous
anonymous
sketch #3986


anonymous
anonymous
sketch #5325


anonymous
anonymous
sketch #2453 Koi Fish


anonymous
anonymous
sketch #2562

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 .2a和b的交换过程是通过 coloring