By the start of the twentieth century, Germany and the United States had challenged some of Britain's economic lead. Subsequent military and economic tensions between Britain and Germany were major causes of the First World War, during which Britain relied heavily upon its empire.he British Empire comprised the dominions, colonies, protectorates, mandates and other territories ruled or administered by the United Kingdom.
A heart murmur is an extra or unusual sound heard during a heartbeat. Murmurs range from very faint to very loud. Sometimes they sound like a whooshing or swishing noise. Normal heartbeats make a lub-DUPP or lub-DUB sound.This is the sound of the heart valves closing as blood moves through the heart.Doctors can hear these sounds and heart murmurs using a stethoscope.ometimes they sound like a whooshing or swishing noise. Normal heartbeats make a lub-DUPP or lub-DUB sound. This is the sound of the heart valves closing as blood moves through the heart. Doctors can hear these sounds and heart murmurs using a stethoscope.
Steps of CPR. CPR (cardiopulmonary resuscitation) is pushing down on a person's chest and breathing into his or her mouth. It is used in emergencies when someone's heart stops beating, or when he or she is not breathing normally (may be gasping for breath) or is not breathing at all. CPR works to move blood to the person's brain to help prevent brain damage. CPR can help keep someone alive until a health professional arrives.