[問題] 一題生物循環求解

作者: garytajen (gary)   2016-03-09 20:54:15
In which animal does blood flow from the pulmonary circulation to the heart be
fore circulating through the rest of the body?
A)frog
B)fish
C)earthworm
D)clam
作者: milletshw (正月)   2016-03-09 21:01:00
D是開放式循環
作者: garytajen (gary)   2016-03-09 21:58:00
答案是蚯蚓>"<
作者: matt7618 (matt)   2016-03-09 22:14:00
a會先經過皮膚,b不用肺,而且是單循環
作者: janet0305 (星霜)   2016-03-09 23:13:00
蚯蚓沒有肺 應該是青蛙吧
作者: garytajen (gary)   2016-03-10 11:30:00
可是答案是蚯蚓

Links booklink

Contact Us: admin [ a t ] ucptt.com