人体内的血液在循环系统中只能按一定方�流动不能倒流在心脏中血液的流动方�只能是 A左心室→左心房→主动脉 b右心室→右心房→肺动脉 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 theseBelly dancer, Hags, Bubbles, Motorcycle, Bell, Patio, Ale, Waffles, Fries, Caboose, 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 #3064


anonymous
anonymous
sketch #3755 Panda by Roberto Castro Colimil


anonymous
anonymous
sketch #3192 Snake by Isaias Valenzuela Chaver


anonymous
anonymous
sketch #270


anonymous
anonymous
sketch #3513


anonymous
anonymous
sketch #4383 4383


anonymous
anonymous
sketch #3575 Stitch by Laura Gutierrez Hinojosa


anonymous
anonymous
sketch #2477 hhhh


anonymous
anonymous
sketch #4601 PSY Gentleman by Luis Daniel Sanchez Ramirez


anonymous
anonymous
sketch #3088 Billy from Saw by Naulian Ciko


anonymous
anonymous
sketch #3769 The Beatles by يآآسر محمد


Mirnes Sinanovic
sketch #2640 Marge by Mirnes Sinanovic


anonymous
anonymous
sketch #2959 manga girl blue hair


Helyryn
sketch #308


anonymous
anonymous
sketch #1950


anonymous
anonymous
sketch #1668 SUNSET


anonymous
anonymous
sketch #3242 Jolteon by Välë Chäpärrö Järämïllö


anonymous
anonymous
sketch #2881 Mickey Mouse by Michael Angcay


Gabriela Segura
sketch #2740 Monster by Gabriela Segura


anonymous
anonymous
sketch #1226 the man


anonymous
anonymous
sketch #5206


anonymous
anonymous
sketch #1138


anonymous
anonymous
sketch #1287 No smoke


anonymous
anonymous
sketch #4503 Naruto Biju Mode by Jessie Lightwood


anonymous
anonymous
sketch #2901 Smurf by Ronny Alexander Nikolaevich


anonymous
anonymous
sketch #5068


Zorka Edding Giustinianovic
sketch #2852 Teddy Zorka Edding Giustinianovic


anonymous
anonymous
sketch #5013 Pursuing Dreams by Mário JBudo


anonymous
anonymous
sketch #3264 Lisa by Shaban Khan

tomski人体内的血液在循环系统中只能按一定方�流动不能倒流在心脏中血液的流动方�只能是 a左心室→左心房→主动脉 b右心室→右心房→肺动脉 coloring