Air sacs are covered with fine blood vessels called (s). Oxygen
is carried to all body cells by the flow of (t).
FIND (s),(t)
F.2 I.S. 急!!
2015-01-25 12:59 am
回答 (2)
2015-01-26 1:37 am
✔ 最佳答案
(s)= capillaries,(t)= blood.
I hope I can help you la~
ADD OIL!
參考: book
2015-01-25 5:36 pm
S = capillaries
T = blood
I am f.2 too XP
T = blood
I am f.2 too XP
收錄日期: 2021-04-15 18:02:11
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