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Tardigrade
Question
Biology
Blood enters the heart because muscles of the
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Q. Blood enters the heart because muscles of the
Odisha JEE
Odisha JEE 2007
Body Fluids and Circulation
A
atrium contracts
11%
B
atrium relaxes
66%
C
ventricle relaxes
10%
D
entricle contracts
12%
Solution:
Correct answer is (b) atrium relaxes