The Heart (updated)

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Across

3. This tissue is composed of simple squamous epithelium.

5. Receives oxygen poor blood.

7. The right side of the heart and its blood vessels form the ______ circuit.

8. Forms the apex of the heart.

9. The outer surface of the heart.

10. The left side of the heart and its blood vessels form the ________ circuit.

11. The thickest part of the heart wall.

Down

1. These return blood from the capillary beds to the heart.

2. The cusps of the tricuspid is in the_________.

4. Receives oxygen rich blood.

6. These transport blood away from the heart.

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