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 theseHikers, Machete, Whippet, Pencil case, Twins, Skunk, Parallelogram, Lunch, Garters, Raft, 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?

Gaurav Patel
sketch #2691


anonymous
anonymous
sketch #5128 Italo Italo Abreu Jack Supple


anonymous
anonymous
sketch #1216


anonymous
anonymous
sketch #3258


anonymous
anonymous
sketch #3204 eminem


anonymous
anonymous
sketch #4876 Luffy by Nycole Prietsch


anonymous
anonymous
sketch #3532 Angel by Geneval Mendes


anonymous
anonymous
sketch #3505 Django


Zay Lin
sketch #2087 zay lin


anonymous
anonymous
sketch #4934 Nami-Ki Roberto Castro Colimil


anonymous
anonymous
sketch #3444 PSY by Melodee Ripepi


anonymous
anonymous
sketch #4972


anonymous
anonymous
sketch #2922


anonymous
anonymous
sketch #5186


anonymous
anonymous
sketch #5119


anonymous
anonymous
sketch #5071 Rihanna by Johan Kennet Espinoza Moreno


anonymous
anonymous
sketch #2340


anonymous
anonymous
sketch #20690


sketchmaster
sketch #2457 cool beans brother


anonymous
anonymous
sketch #68509


anonymous
anonymous
sketch #4232 Tobirama by Kadi Kader


anonymous
anonymous
sketch #2206


anonymous
anonymous
sketch #4883 White tiger by Kayson Danielle


anonymous
anonymous
sketch #5237 Gotye by Jhonatan Soares


anonymous
anonymous
sketch #2889


anonymous
anonymous
sketch #1953 愛鼠繪

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