Biology Chapter 12 - Circulation-2


Biology Class 11
1.    Human heart is ___ chambered?




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2.    Human heart is consisting of?




Biology Class 11
3.    Which one of the following is Not the layer of heart wall?




Biology Class 11
4.    The outer layer of the heart wall is?




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5.    Myocardium is the ___ layer of heart wall.



6.    Which one of the following pumps blood into the lungs?




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7.    Which one of the following has thickest walls?




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8.    The left atrium receives the?




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9.    The left and right atria are separated from each other by?




10.    The left ventricle opens into the?
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Biology Class 11