在肺泡与血液间的气体交换过程中与气体交换无关的结构是下列哪一项 A.肺泡壁很薄b.毛细血管壁很薄c.气管比较长d.肺泡数量多——青夏 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 theseRoad trip, Pollywog, Parrot, Acrobat, Pickle, Camping, Measuring cup, Mill, Drums, Necklace, 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 #5160 Marilyn Monroe by Muhammet Karadoğan


anonymous
anonymous
sketch #1118 easy zombie


anonymous
anonymous
sketch #288 RK


anonymous
anonymous
sketch #3145 Madoka by Николай Герасимов


anonymous
anonymous
sketch #5130 Batman by Kamal Ahmed Tantawy


anonymous
anonymous
sketch #5193


anonymous
anonymous
sketch #3774 Marilyn Manson by Junior Silva


anonymous
anonymous
sketch #5027


anonymous
anonymous
sketch #2877 Elvis by Karoline Castillo


Tom Kelly
sketch #521 A hungry caterpillar


sketchmaster
sketch #2460 Zayn Malik of One Direction by sketchmaster


anonymous
anonymous
sketch #5261


anonymous
anonymous
sketch #5064


anonymous
anonymous
sketch #2250 lelouch


anonymous
anonymous
sketch #3662 Angel by Alexander Volodimirovich Danilchenko


anonymous
anonymous
sketch #3166 Axl Rose by Jessie Lightwood


anonymous
anonymous
sketch #2574


anonymous
anonymous
sketch #5440


anonymous
anonymous
sketch #5340 Amazing Dragon


anonymous
anonymous
sketch #4467


anonymous
anonymous
sketch #3280 Adventure Time by Alina Danielle


Helyryn
sketch #293 jdjdjdjdj


anonymous
anonymous
sketch #4405 Cat by Nizamuddin Shuja


anonymous
anonymous
sketch #2337


anonymous
anonymous
sketch #20960 Kaneki Ken Tokyo Ghoul by Deepak Kaushik


Carly Kelly
sketch #120 a pretty flower


anonymous
anonymous
sketch #4546 Misaki Mei by Wanis Khelifa


anonymous
anonymous
sketch #1260


anonymous
anonymous
sketch #3457


anonymous
anonymous
sketch #4646 Panda by Raimundo Santos

tomski在肺泡与血液间的气体交换过程中与气体交换无关的结构是下列哪一项 a.肺泡壁很薄b.毛细血管壁很薄c.气管比较长d.肺泡数量多——青夏 coloring