Heart murmur indicates a (a)defective valve (b)poor oxygenation (c)dislocation of the heart (d)improper development of muscles
Option B) A heart murmur is an extra noise heard during a heartbeat. The noise is caused when blood does not flow smoothly through the heart. Heart murmurs can be innocent (harmless) or abnormal (caused by a heart problem). Some causes are fever, anemia, or heart valve disease.
