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Body Fluids and Circulations
The causative agent of mad-cow disease is a
bacterium
prion
worm
virus
B.
prion
'Prions' are the infective proteinaceous particles. This term was proposed by Prusiner. The prions cause some neurological diseases in animals (including humans) e.g. Mad cow disease in cattle and in humans it causes Kuru disease, Kreutzfeldt -Jacob disease etc.
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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?
What is ECG?
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