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 theseTools, Clothesline, Globe, Sunflower, Gorget, Confetti, Torch, Ocean, Seahorse, Ice cream sandwich, 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 #3392


anonymous
anonymous
sketch #508


anonymous
anonymous
sketch #3032 Batman by Aaron Bahary


anonymous
anonymous
sketch #5103


anonymous
anonymous
sketch #4221 Moi.


Tom Kelly
sketch #666


anonymous
anonymous
sketch #3444 PSY by Melodee Ripepi


anonymous
anonymous
sketch #4467


Nassim Nouri
sketch #2765 Kratos by Nassim Nouri


anonymous
anonymous
sketch #20471


Jocelyn Alejandra Rantul
sketch #2678 Portrait by Jocelyn Alejandra Rantul


anonymous
anonymous
sketch #2950 Miss Fortune from League of Legends by Araceli GM


anonymous
anonymous
sketch #5083


anonymous
anonymous
sketch #2278 flower


anonymous
anonymous
sketch #4796


anonymous
anonymous
sketch #1855 MAGIC DANCE


anonymous
anonymous
sketch #4386 Freddie Mercury by Павел Павлов


anonymous
anonymous
sketch #3339 Sasuke by Jean-Benoit Renaud


sketchmaster
sketch #2620 goblin man


ShopRasta Roots
sketch #2787 Spongebob by ShopRasta Roots


anonymous
anonymous
sketch #5434


anonymous
anonymous
sketch #3261


anonymous
anonymous
sketch #3059


anonymous
anonymous
sketch #5203 Alien vs. Predator Ani Chachua


Jaroslav Florian
sketch #90 JF Style!


anonymous
anonymous
sketch #3280 Adventure Time by Alina Danielle


anonymous
anonymous
sketch #5154


anonymous
anonymous
sketch #2022


anonymous
anonymous
sketch #3157 umpa lumpa

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