如图是人体部分组织示意图请据图回答1当人体受到刺激时兴奋只能由a传到b而不能由b传到a的原因是神经递质通过突触时只能由突触前膜传 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 theseStreet car, Frog, Butterfly, Tea party, Movie Camera, Rock Star, Diner, Sling, Swimming pool, Sheep, 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 #3676 Sceptical horse by Koes Maung


anonymous
anonymous
sketch #313 Uchiha Sasuke


Rachel Roe
sketch #141 Sunset


anonymous
anonymous
sketch #2017 HEYOO


anonymous
anonymous
sketch #1216


anonymous
anonymous
sketch #3659 Portrait by Mari Falcsik


anonymous
anonymous
sketch #5204


anonymous
anonymous
sketch #2926 Power Puff Girls by Sylvie Rieux


Raisa Mahmud
sketch #2058


anonymous
anonymous
sketch #68512


anonymous
anonymous
sketch #4953 Bird by Ervin Haxhija


anonymous
anonymous
sketch #4874 Milla Jovovich by Kimmy Kitty Perry Priemus


anonymous
anonymous
sketch #4902


anonymous
anonymous
sketch #3547 Lady in red Toky Niaina Randrianarisoa


Tom Kelly
sketch #519 The Joker


anonymous
anonymous
sketch #5164


anonymous
anonymous
sketch #3558 Eye Rubel Parvez


anonymous
anonymous
sketch #4887 Jessica Rabbit by Garima Taneja


anonymous
anonymous
sketch #5288


sketchmaster
sketch #2598


anonymous
anonymous
sketch #4830


anonymous
anonymous
sketch #3473 Finn by Luana Santos


anonymous
anonymous
sketch #4713


anonymous
anonymous
sketch #5198 Sakura Claudio Pose Jester Genso


anonymous
anonymous
sketch #5213


anonymous
anonymous
sketch #578 Butterflies


anonymous
anonymous
sketch #5219 Zayn Malik by Amila Madhushanaka


anonymous
anonymous
sketch #286 sun

tomski如图是人体部分组织示意图请据图回答1当人体受到刺激时兴奋只能由a传到b而不能由b传到a的原因是神经递质通过突触时只能由突触前膜传 coloring