如图是人体内气体交换和运输示意图请据图回答1图中ad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 theseTurban, Geek, Pastrami, Zodiac, Lobbyists, Slingshot, Make-up, Curtains, Cheeseburger, Dolphin, 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 #2874 Mario by Ahmed Hosny


anonymous
anonymous
sketch #4362 cow


anonymous
anonymous
sketch #5280


anonymous
anonymous
sketch #4885


anonymous
anonymous
sketch #5159 Frank Briones Silvia Haynes


anonymous
anonymous
sketch #5020 Stitch by Hina Ali


sketchmaster
sketch #2588 Buble by sketchmaster


anonymous
anonymous
sketch #3567 Worried Girl by Juvenilia Alexandrino


anonymous
anonymous
sketch #4766 The Little Mermaid by Zizou Aiman


anonymous
anonymous
sketch #4895 Cat by Gaurav Patel


anonymous
anonymous
sketch #3535 Mickey by Hakan Usuğ


Ainhoa White
sketch #4301


anonymous
anonymous
sketch #3760 PSY by Juvenilia Alexandrino


anonymous
anonymous
sketch #2901 Smurf by Ronny Alexander Nikolaevich


anonymous
anonymous
sketch #3064


anonymous
anonymous
sketch #1260


anonymous
anonymous
sketch #5341 Rafael Nadal by Alina Danielle


anonymous
anonymous
sketch #3226 Goth Face


anonymous
anonymous
sketch #286 sun


anonymous
anonymous
sketch #4972


anonymous
anonymous
sketch #5229


anonymous
anonymous
sketch #3133 Skrillex by Asfa Sajid


anonymous
anonymous
sketch #3439 Aralé by Malyi Link


anonymous
anonymous
sketch #5416


anonymous
anonymous
sketch #5174


anonymous
anonymous
sketch #3431 Jimi Hendrix by Konvicted Rohit


anonymous
anonymous
sketch #5072


anonymous
anonymous
sketch #2220 bahbah sexy sheep

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ad分别代表什么气体a d .2a和b的交换过程是通过 coloring