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Body Fluids and Circulations
Why is the double circulation better than single circulation?
Double circulation system has the following main advantages over single circulation :
1) The ability to create more pressure to pump blood round the system.
2) The separation of oxygen-rich and oxygen-poor blood.
3) Better distribution of the nutrients, oxygen etc.
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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?
How many times does a heart beat per minute?
What is the function of bicuspid valves?
What is the function of tricuspid valves?
Why circulatory system is absent in sponges?
What does the QRS wave represent in an ECG?
Name a animal having open circulatory system.
What are vasa vasorum?
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