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Body Fluids and Circulations
Differentiate between an artery and a vein.
| Artery | Vein |
| 1. Carries blood from the heart to various body parts | 1. Carries blood from various body parts to the heart. |
| 2. Carry oxygenated blood except pulmonary artery | 2. Carry deoxygenated blood except pulmonary vein. |
| 3. Have thick elastic walls | 3. Have thin non-elastic walls. |
| 4. Valves are absent | 4. Valves are present |
| 5. Blood in it flows under high pressure. | 5. Blood in it flow under low pressure |
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Match the following options:
Why do we consider Blood as a connective tissue?
Describe the evolutionary changes in the pattern of heart among vertebrates.
Why do we call our heart myogenic?
Sino-auricular node is called pacemaker of our heart. Why?
Write the differences between
(d) P wave and T wave
Write the differences between
Systole and diastole
Write the differences between
(a) Blood and lymph
Write the differences between
Open and closed circulatory system
What is the differences between lymph and Blood?
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