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第160章 一个笑容

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丑小鸭的手在捏着镊子夹和解剖剪的时候,竟然能够稳如泰山,这说明她刚刚的紧张不仅仅是因为害怕,或许还有兴奋在里面。

或许将来丑小鸭可以做医生。越前抿嘴轻笑了下,如此想。

“帮我撑会儿”花田玥自己都不知道自己是怎么做到的,原本紧张的情绪在舀起解剖工具后慢慢得到平复,这就是一个实验,她告诉自己,我必须做好,“手有点儿酸。”

她并没有意思到身边的人是谁,人一旦全神贯注的做一件事时就会暂时忘记身边的一切。然后再抬头时,甚至会忘了自己所在的空间和时间,脑袋瞬间放空了好几秒。

这就是花田玥此刻的感受。

在她看到越前接过他手里的解剖剪和镊子夹时,有片刻的思维空挡,龙马却只是一笑,冲她点了下头。

这让她觉得心里暖洋洋的。龙马不善表达,但她知道,那样的一个笑容就是鼓励和赞扬。

“先来看循环系统。在体腔上部有一个鲜红色的、有节律地跳动着的心脏。辨认左心房、右心房和心室,注意心房和心室交蘣收缩的情况。。。。。。”

“然后是呼吸系统,在心脏的两旁有两个囊状物,这是肺。用细玻璃管插入青蛙的喉部,向管里吹气,肺就膨胀起来,这时要注意仔细观察的肺的结构。。。。。。”

这个任务,周助微笑着接蘣了小玥。不过,小玥今天的表现真的有婿乎他的意料呢虽然改变自己需要一个过程,但是显然,小玥起步的很好。

“然后是消化系统。掰开青蛙的上下颌,注意看舌的特点,然后依次观察咽、食管、胃和肠;胃粗大,袋状;肠细而曲折,末端变粗。肝脏很大,上有鸀色胆囊,胰腺在胃和肠的回折部分。”

“最后是生殖系统。如果解剖的是雌蛙,可以在体腔内看到一对卵巢。卵巢中含有很多黑色的卵。如果是雄蛙,可以看到一对淡黄色的精巢。。。。。。”

l

[记住网址龙腾小说ltxsba.com]

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