Qualification > Sciences
Biology Paper 1 and 3 help HERE ONLY!!!
nid404:
haha actually my nickname's nid the 404 come's because it means sumthing.... u guys wont' understand.
guys check my post in CHEM AND BIO HELP.......sumthing good for ull
aquarian93:
i hav a doubt guys.
"in an unborn child, there is a hole in the septum b/w the left and right atria. What is the purpose of this?"
nid404:
--- Quote from: aquarian93 on June 04, 2009, 11:13:05 am ---i hav a doubt guys.
"in an unborn child, there is a hole in the septum b/w the left and right atria. What is the purpose of this?"
--- End quote ---
ive never heard of that but im curious so ill find out
nid404:
here u go
three kinds of cardiac holes — Patent Foramen Ovales (PFOs), Ventricular Septal Defects (VSDs) and Fenestrated Fontans (FFs). PFOs are holes in the heart needed before birth to transfer oxygenated blood from the umbilical cord to the unborn child; if a PFO remains open after birth, it creates a pathway for blood clots. VSDs are abnormal openings between the heart’s chambers that can lead to heart failure. An FF defect results from the Fontan procedure which corrects congenital cardiac defects in people born with three chambered hearts but creates a fenestration, or window-like hole, that eventually must be closed.
IGStudent09:
Hey everyone if any of you want any revision nots just reply the topic and i'll send it asap
This one is about homeostasis. hope it helps!!
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