Heart-Lung Rhythm

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Across
  1. 4. The rhythmic contraction and relaxation of the heart.
  2. 6. The continuous movement of blood through the heart, arteries, veins, and capillaries.
  3. 7. A lower chamber of the heart that pumps blood out to the lungs or body.
  4. 8. A blood vessel that carries oxygenated blood from the heart to the body.
Down
  1. 1. To take air into the lungs and expel it, typically involving inhaling oxygen and exhaling carbon dioxide.
  2. 2. The smallest blood vessels that facilitate the exchange of oxygen, carbon dioxide, and nutrients between blood and tissues.
  3. 3. Pertaining to the heart.
  4. 5. A group of cells that work together to perform a specific function, like muscle tissue in the heart.
  5. 7. A blood vessel that carries deoxygenated blood back to the heart.
  6. 8. The large artery that carries oxygen-rich blood from the heart to the rest of the body.