Some sort of defect could change a structure in the heart
your mom, that is the answere :)
it can't.
things that could affect the blood flow through the heart
Depending if it is a systolic or diastolic murmer, it could effect your heart rate do to lack of o2 throughout the heart and body.
four structures that compose the conduction of the heart
micoligits and chlorocimisis will affect the heart
valves
how does the heart disease affect in tissue
It could in some cases i guess.
Heart attacks that damage the structures that support the mitral valve are a common cause of mitral valve insufficiency. Myxomatous degeneration can cause a "floppy" mitral valve that leaks.
the liver and heart
depressants affect the heart rate by its heart rate