The head of a giraffe is 2.0 m above its heart and the density of the blood is 1.05 103 kg/m3. what is the difference in pressure between the giraffe's heart and head? (fortunately, a giraffe's neck has a special circulatory system to adapt to this neck length, producing an even flow of blood to the head.)

The giraffe head is higher than its heart so the blood pressure in the head must be lower than in the heart. The pressure is directly related to the density, gravity, and the height. The calculation would be:

P = ρ*g*h
P= 1.05* 10^3 kg/m3 * 9.8m/s2 * 2m= 20 580 pascals= 20.58 kpa

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batolisis batolisis · Answer 2 · 2022-02-15T12:09:15+01:00

The difference in pressure between the giraffe's heart and head is :

20.58 kPa

Position of Giraffe head in relation to its heart

Given that the head of the giraffe head is placed at a higher position the blood pressure in the head will be higher than the blood pressure in the heart. and

Pressure in the Giraffe is directly related to ; density , gravity and height of the giraffe

Therefore pressure = ρ*g*h

= 1.05 * 10³ * 9.8 * 2

= 20580 pa = 20.58 kPa

Hence we can conclude that the difference in pressure between the giraffe's heart and head is 20.58 kPa.

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