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

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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

Pulmonary vein too carries deoxygenated blood
Pulmonary vein carries oxygenated blood from lungs to heart

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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