Parts of the Heart Crossword

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 11


ACROSS
1   This is a protective sac located around the heart.
7   This blood vessel returns blood to the body
9   This is a hollow organ located to the left of center in the chest.
10   The heart, blood vessels and the blood that flows through these structures are part of the _______________ ____________.
11   This blood vessels carries blood from the body to the heart.
 
DOWN
1   These blood vessels carry blood from the heart to the lungs.
2   This part of the heart collects blood from the body.
3   This muscular wall contracts to pump blood.
4   This part of the heart takes blood from the right atria and pumps it to the lungs.
5   This part of the heart takes blood from the left atria and pumps it to the body.
6   These blood vessels carry blood from the lungs to the heart.
8   This part of the heart collects the blood from the pulmonary veins.

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