Which action can be explained by physics ?
2 answers:
Answer:
Option (d)
Explanation:
The pressure of blood exerted on the inner walls of the veins.
Pressure is defined a the force acting on the surface per unit area.
The SI unit of pressure is Newton per square metre.
More be the force more be the pressure.
As due to the deposition of cholesterol on the walls of veins, the area of cross section of walls decreases which results the increase in pressure . It is very harmful for the heart, it may cause heart failure as heart do extra work to pump the blood.
You might be interested in