Vocab
Across
- 4. The contraction of heart (cardiac) muscle in all animals with hearts is initiated by electrical impulses.
- 6. blood vessels that carry blood away from the heart
- 7. muscular tissue of the heart
- 8. smallest of a body's blood vessels
- 10. Circulation part of the cardiovascular system which carries oxygenated blood away from the heart to the body, and returns deoxygenated blood back to the heart.
Down
- 1. largest artery in the human body
- 2. one of two large chambers that collect and expel blood received from an atrium towards the peripheral beds within the body and lungs
- 3. allows blood flow in only one direction through the heart
- 5. Circulation portion of the cardiovascular system which carries deoxygenated blood away from the heart, to the lungs, and returns oxygenated (oxygen-rich) blood back to the heart
- 9. portion of the blood collection chamber of the heart