You are given a sentence and your task is to generate another sentence that supports the given input.

[Q]: The pulmonary arteries carry oxygen-poor blood from the heart to the lungs, and the pulmonary veins transport oxygen-rich blood from the lungs to the heart.
[A]: After the blood in the pulmonary capillaries becomes saturated with oxygen, it leaves the lungs and travels to the heart.


[Q]: Niche An organism's niche is its unique role  or &quot;way of making a living&quot; in the environment.
[A]: Each species has a particular way of making a living, which is called its niche.


[Q]: Dynamics is the study of motions that results from forces.
[A]:
Dynamics is the study of how forces affect the motion of objects.