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Search results

  1. kirann

    Biology; Chemistry; Physics: Post your doubts here!

    explain :(
  2. kirann

    Biology; Chemistry; Physics: Post your doubts here!

    U did it right
  3. kirann

    Biology; Chemistry; Physics: Post your doubts here!

    :cry: i cant figure out how my mcq went but p2 was horrible man !!!:(
  4. kirann

    Biology; Chemistry; Physics: Post your doubts here!

    guys is there any trick or mnemonic to remember all antagonistic movements?
  5. kirann

    Biology; Chemistry; Physics: Post your doubts here!

    i can try, The renal vein are veins that drain the kidney. They connect the kidney to the inferior vena cava. They carry the blood purified by the kidney, carries de-oxygenated blood renal artery is an artery originating from the abdominal aorta and supplying the kidneys with unpurified...
  6. kirann

    Biology; Chemistry; Physics: Post your doubts here!

    im really worried for sec B & C :cry: but blood in veins already have lower pressure right ?:(
  7. kirann

    Biology; Chemistry; Physics: Post your doubts here!

    so whenever pressure is created on the muscles they contract?
  8. kirann

    Biology; Chemistry; Physics: Post your doubts here!

    can anybody explain these questions fully :(
  9. kirann

    Biology; Chemistry; Physics: Post your doubts here!

    the oxidisng and reducing agent one
  10. kirann

    Biology; Chemistry; Physics: Post your doubts here!

    last and second last question was from nov 2007 repeated questions :P i knew it.
  11. kirann

    Biology; Chemistry; Physics: Post your doubts here!

    :cry::cry::cry::cry:I just got my second last 6 mark question wrong :cry::cry::cry::censored:And. im not feeling good at all :unsure:
  12. kirann

    Biology; Chemistry; Physics: Post your doubts here!

    Whats the need for oxygen and glucose to be pumped faster to muscles? :(
  13. kirann

    Biology; Chemistry; Physics: Post your doubts here!

    explaimn why after hearing a sudden loud noise a persons heart beats faster. 5090/21/M/J/2011
  14. kirann

    Biology; Chemistry; Physics: Post your doubts here!

    For which q?
  15. kirann

    Biology; Chemistry; Physics: Post your doubts here!

    2004 - 2010
  16. kirann

    Biology; Chemistry; Physics: Post your doubts here!

    :D thankks..
  17. kirann

    Biology; Chemistry; Physics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20O%20Level/Biology%20(5090)/5090_s13_qp_21.pdf explain q4 entirely :(
  18. kirann

    Biology; Chemistry; Physics: Post your doubts here!

    these as well..
  19. kirann

    Biology; Chemistry; Physics: Post your doubts here!

    can anybody explain these questions?
  20. kirann

    Biology; Chemistry; Physics: Post your doubts here!

    how do u know iron will react with oxygen :cry: ad the answer is c not d :(
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