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Cardiovascular
| Question | Answer |
|---|---|
| Heart Structures | Heart Veins Arteries Venules Arterioles Capillaries Blood |
| Arteries are | Thick walled, muscular vessels |
| Largest artery | Aorta |
| Where does Aorta carry blood | Carry blood AWAY from the heart (under more pressure) |
| How is the Aorta structured | Basic structure is a series of layers. Smooth muscle makes up the bulk of the arterial wall. |
| Largest Vein | Vena Cava which is divided into Cranial and Caudal portions |
| Veins are | Vessels that carry blood TO the heart |
| Veins are...... | Thinner and less muscular than arteries |
| Veins have | intravenous unidirectional valves to keep blood flowing ONE way |
| Arteries | Carry blood away from the heart Have thicker, more muscular walls Under more pressure than veins Largest artery = Aorta |
| Veins | Carry blood back to the heart Have thinner walls Have unidirectional valves due to being under less pressure Largest vein = vena cava |
| Heartworms | Affects the heart and circulatory system |