Transport in Humans (2)

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Across
  1. 4. They carry blood towards the heart
  2. 6. Blood that contains oxygen and glucose is known as ____ blood
  3. 7. Coronary heart disease may lead to _____
  4. 8. The transport system in humans is also known as the ______ system made up of heart and blood vessels
  5. 9. Blood that contains carbon dioxide and metabolic waste products is knonw as _____ blood
  6. 10. The buildup of fatty substances on inner surfaces of coronary arteries is known as _____
  7. 11. Muscular pump
Down
  1. 1. A healthy diet involves replacing animal fats with _____ plant fats
  2. 2. Microscopic blood vessels that allow for exchange of materials between blood and tissue
  3. 3. They carry blood away from the heart
  4. 5. Mammals have _____ circulation where blood passes through the heart twice
  5. 9. These are present in veins to prevent the backflow of blood