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In each heart beat, a heart pump 80 ml of blood at an average pressure of 100 mm of Hg. What will be the power output of the heart? (Assume 60 heart beats per minute)

Blood vessel that carry blood to heart is called

An inverted conical shaped vessel is filled with water to its brim. The height of the vessel is 8 cm and radius of the open end is 5 cm . When a few solid spherical metallic balls each of radius ½ cm

An inverted conical shaped vessel is filled with water to its brim. The height of the vessel is 8 cm and radius of the open end is 5 cm . When a few solid spherical metallic balls each of radius ½ cm

A vessel is filled to its capacity with pure milk. Ten litres are withdrawn from it and replaced by water. This procedure is repeated again. The vessel now has 32 litres of milk. Find the capacity of

Milk and water are mixed in a vessel A as 4:1 and in vessel B as 3:2. For vessel C, if one takes equal quantities from A and B, find the ratio of milk to water in C

Mechanical widening of obstructed blood vessel or narrowed blood vessel is known as

Blood vessels which carry blood away from heart to body parts are called

There are three boats B1, B2 and B3 working together they carry 60 people in each trip. One day an early morning B1 carried 50 people in few trips alone. When it stopped carrying the passengers B2 and

Larger blood vessels which carry blood back to heart are