What is the definition of work? What is the work done in moving a volume dV against a pressure P? (Hint: Use P = F/A and V = Ad) How much work is done per second? What are the units?Amith2006 said:Sir or Madam,
Please help me with this problem.
# The heart of a man pumps 4 litres of blood per minute at a pressure of 130 mm of mercury. If the density of blood is 13.6 gm/cc, what is the power of the heart?
The power of a human heart refers to its ability to pump blood throughout the body, delivering oxygen and nutrients to all tissues and organs. It also plays a vital role in regulating blood pressure and maintaining overall health.
The average human heart can pump around 2,000 gallons of blood per day. This varies depending on factors such as age, physical activity, and overall health.
Yes, the power of a human heart can be increased through regular physical exercise. This strengthens the heart muscle and improves its ability to pump blood efficiently.
Various factors can affect the power of a human heart, including diet, stress, smoking, and genetic predispositions. Maintaining a healthy lifestyle and managing risk factors can help improve heart health.
Yes, emotions can have a significant impact on the power of a human heart. Positive emotions like love and happiness can improve heart health, while negative emotions like stress and anger can increase the risk of heart disease.