Science, asked by MettaJamdade, 1 month ago

what is atria and ventricles?

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Answered by subasreem2007

3

Explanation:

The normal heart is a strong, hard-working pump made of muscle tissue. ... The heart has four chambers. The upper two chambers are the atria, and the lower two are the ventricles (Figure A). The chambers are separated by a wall of tissue called the septum. Blood is pumped through the chambers, aided by four heart valves.

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Answered by anjalisharam99917

2

Answer

The normal heart is a strong, hard-working pump made of muscle tissue. ... The heart has four chambers. The upper two chambers are the atria, and the lower two are the ventricles (Figure A). The chambers are separated by a wall of tissue called the septum. Blood is pumped through the chambers, aided by four heart valves.

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