People with heart problems often have trouble breathing.
why would this happen?
a. the pumping of the heart is tied to the respiratory system.
b. red blood cells are produced in the lungs.
c. the heart provides the lungs with oxygen.
d. the lungs are the organs that bring carbon dioxide into the body.

The pumping of the heart is tied to the respiratory system

post-impressionism is a predominantly french art movement that developed roughly between 1886 and 1905, from the last impressionist exhibition to the birth of fauvism. post-impressionism emerged as a reaction against impressionists' concern for the naturalistic depiction of light and colour.

explanation:

option number one would be youre best option