calculate the minimum pressure difference required to force the blood from the heart to the top of the head (vertical dis†an ce upto 50cm).Neglect frictio

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The minimum pressure require to force the blood of density 1.04 g cm^-3 from the heart to the top of the head (vertical distance = 60 cm) is:

Question 21
Choose the correct statement that describes arteries.

(a) They have thick elastic walls, blood flows under high pressure; collect blood from different organs and bring it back to the heart.
(b) They have thin walls with valves inside, blood flows under low pressure and carries blood away from the heart to various organs of the body.
(c) They have thick elastic walls, blood flows under low pressure; carry blood from the heart to various organs of the body.
(d) They have thick elastic walls without valves inside, blood flows under high pressure and carries blood away from the heart to different parts of the body.

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