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The Human Circulatory System
17
Atrium : The human heart has two upper chambers called __________.
Ventricle : The right atrium sends deoxygenated blood into the right ____________.
Pulmonary arteries : They send blood to the lungs.
Capillaries : Tiny blood vessels.
Arteries : The large, muscular vessels that carry blood away from the heart.
Hemoglobin : Immature red blood cells synthesize large amounts of an iron-containing protein called _________.
Cardiovascular System : The blood, heart, and blood vessels form the ____________________.
Nodes : Two areas of specialized tissue, know as _________, control the heartbeat.
Pulse : A person's ________ is a series of pressure waves within an artery caused by the contractions of the left ventricle.
Aorta : The main artery in the body; it carries blood from the left ventricle to systemic circulation.
Hypertension : Another name for high blood pressure.
Vein : A large blood vessel that carries blood to the heart.
Coronary Circulation : The subsystem of systemic circulation that supplies blood to the heart itself.
Valves : A fold of membranes that controls the flow of a fluid.
Blood Pressure : The force that exerts against the inside walls of a blood vessel.
Three : The walls of the veins are composed of __________ layers.
Lymph : The fluid that is collected by the lymphatic vessels and nodes.
The Human Circulatory System
Across:2. | The right atrium sends deoxygenated blood into the right ____________. | 4. | A large blood vessel that carries blood to the heart. | 12. | They send blood to the lungs. | 14. | The walls of the veins are composed of __________ layers. |
| 15. | The main artery in the body; it carries blood from the left ventricle to systemic circulation. | 16. | Another name for high blood pressure. | 17. | The force that exerts against the inside walls of a blood vessel. |
| | Down:1. | The human heart has two upper chambers called __________. | 3. | The blood, heart, and blood vessels form the ____________________. | 5. | Immature red blood cells synthesize large amounts of an iron-containing protein called _________. | 6. | The subsystem of systemic circulation that supplies blood to the heart itself. | 7. | Tiny blood vessels. |
| 8. | A person's ________ is a series of pressure waves within an artery caused by the contractions of the left ventricle. | 9. | The fluid that is collected by the lymphatic vessels and nodes. | 10. | A fold of membranes that controls the flow of a fluid. | 11. | Two areas of specialized tissue, know as _________, control the heartbeat. | 13. | The large, muscular vessels that carry blood away from the heart. |
| |
© 2014
PuzzleFast.com, Noncommercial Use Only
The Human Circulatory System
Across:2. | The right atrium sends deoxygenated blood into the right ____________. | 4. | A large blood vessel that carries blood to the heart. | 12. | They send blood to the lungs. | 14. | The walls of the veins are composed of __________ layers. |
| 15. | The main artery in the body; it carries blood from the left ventricle to systemic circulation. | 16. | Another name for high blood pressure. | 17. | The force that exerts against the inside walls of a blood vessel. |
| | Down:1. | The human heart has two upper chambers called __________. | 3. | The blood, heart, and blood vessels form the ____________________. | 5. | Immature red blood cells synthesize large amounts of an iron-containing protein called _________. | 6. | The subsystem of systemic circulation that supplies blood to the heart itself. | 7. | Tiny blood vessels. |
| 8. | A person's ________ is a series of pressure waves within an artery caused by the contractions of the left ventricle. | 9. | The fluid that is collected by the lymphatic vessels and nodes. | 10. | A fold of membranes that controls the flow of a fluid. | 11. | Two areas of specialized tissue, know as _________, control the heartbeat. | 13. | The large, muscular vessels that carry blood away from the heart. |
| |
© 2014
PuzzleFast.com, Noncommercial Use Only