Physics Pressure Problem (Systolic blood pressure of a giraffe)

In summary, the average systolic blood pressure of a giraffe is around 200 mmHg, which is significantly higher than that of humans. This is due to their unique anatomy, specifically their long necks and relatively small hearts. However, this high blood pressure does not cause any health problems for giraffes and is necessary for their survival. Researchers measure the blood pressure of giraffes using a blood pressure cuff and a doppler ultrasound device, and the giraffe's height can also affect their blood pressure. As they grow taller, their blood pressure also increases to maintain proper blood flow to their head.
  • #1
aryan15
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New poster has been reminded to show their work on schoolwork problems
Homework Statement
The systolic blood pressure of a giraffe is 288.0 mmHg. This is the blood pressure inside the giraffe's body at the height of the heart when the heart contracts. However giraffes have very long necks. If the head of a giraffe is 1.70 m above its heart, then what is the blood pressure in the giraffe's brain?
Relevant Equations
The density of Mercury is 13534 kg/m^3, and the average density of giraffe blood is 1050 kg/m^3.
Absolutely no idea how to go about this question. An answer with an explanation would be highly appreciated. Thanks!
 
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  • #3
What is the relationship between pressure, density, and depth or elevation?
 

1. What is the systolic blood pressure of a giraffe?

The systolic blood pressure of a giraffe can range from 160-240 mmHg, with a mean value of 190 mmHg.

2. How does the giraffe's long neck affect its blood pressure?

The giraffe's long neck does not have a significant impact on its blood pressure. Its blood pressure is primarily determined by its body size and the force required to pump blood to its head.

3. Why is the giraffe's blood pressure higher than other animals?

The giraffe's blood pressure is higher than other animals due to its unique anatomy and physiology. Its long neck and legs require a higher blood pressure to pump blood to its brain and extremities.

4. Can a giraffe's blood pressure change?

Yes, a giraffe's blood pressure can change depending on its activity level, stress levels, and health status. It may also vary slightly throughout the day.

5. Is a giraffe's high blood pressure harmful to its health?

No, a giraffe's high blood pressure is not harmful to its health. In fact, it is necessary for the giraffe to maintain proper blood flow to its brain and extremities. However, excessively high or low blood pressure can indicate underlying health issues.

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