Blood vessels, blood circulation in heart — task. Science State Board, Class 10.

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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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State whether the statements are true or false and select the following explanation for the same:

1. All veins carry deoxygenated blood.

The statement is

2. In closed circulatory system, blood pumped by the heart passes through blood vessels into sinuses.

The statement is

Blood passes into sinuses, which are the body cavities
Blood in a closed circulation is circulated through a closed network of blood vessels

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10. Blood vessels, blood circulation in heart