Across
- 3. rhythmic dilation of an artery due to blood pumping within it as the heart beats
- 5. number of times the heart beats per minute (bpm)
- 11. sac surrounding the heart and the roots of the great vessels
- 12. inner lining of the heart’s chambers which regulates contractions and aids cardiac embryological development
- 13. fluid in which other cells are suspended in blood
- 15. hollow tubular organs which carry blood through out the body
- 16. force exerted by blood on the walls of arteries as it pumps through the body
Down
- 1. smallest blood vessels, with walls one cell layer thick, which carry out oxygen and nutrient exchange at the body tissues
- 2. chambers of the heart responsible for pumping blood out of the heart
- 4. organ which acts as a continuous double pump to transport blood throughout the body
- 6. innermost part of the pericardium and outermost part of the heart which protects the heart
- 7. platelets which assist in clotting
- 8. cardiac muscle responsible for heart contractions
- 9. chambers of the heart responsible for receiving blood from veins leading to the heartchambers of the heart responsible for receiving blood from veins leading to the heart
- 10. blood vessels which carry deoxygenated blood toward the heart to remove waste from the body
- 14. blood vessels which usually carry oxygenated blood away from the heart