A person who sits for hours on a long airplane flight may have problems with blood pooling below the knees because the skeletal muscle pump below the knees is not helping blood return to the heart.
The skeletal muscle pump functions every time a muscle contracts. If a person is not moving for long hours, the muscles do not contract, and the blood pools in the lower extremities.
It can also affect blood circulation and which lead to the development of blood clots. Airplane flights of long hours or more may be a risk factor for deep vein thrombosis and pulmonary embolism, as these are serious complications of blood clots that may be fatal in some cases.
Hence, the answer was given and explained above.
To learn more about blood pooling here:
https://brainly.com/question/358143
#SPJ4
