The beating of heart of man is heard on the left side because

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• For reaching left side of heart, blood must pass through
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• Which option is correct for the correctly matched groups for the column i;column ii and column Column I Column II Column III (a) Resting membrane (i) Na+ Channel get open (e) Na+ and k + pumps are responsible protential for it (b) Active potential (ii) Na+ Channel is closed (f) Last for very short time (c) Depolarization (iii) Na+ ions are more on (g) k + ions move on outerside outer side of membranes (d) Repolarization (iv) K + ions are more on outer (h) Positive charge of inner side of side of membrane membrane
• The heart murmur of heart is due to
• ‘Heart of heart’ is
• There are two opposing views about origin of modern man, According to the view ho*mo erectus in Asia were the ancestors of modern man. A study of variation of DNA however suggested African origin of modern man. What kind of observation on DNA variation could suggest this ?
• Heart is known as double pump (circulation) because of
• Neanderthal man differs from modern man is ______.
• Mammalian heart is
• The thin membrane around the heart is