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.
Heart rate can be defined as the figure that indicates how many times your heart beats in a minute. Similarly, resting heart rate (RHR) is defined as the heart rate when your body is at rest. Beats per minute (bpm) is the unit that is used to measure it.RHR helps evaluate the health of the lungs and the heart of a person. It helps determine the strength and efficiency of his cardiovascular system.eart rate can be defined as the figure that indicates how many times your heart beats in a minute. Similarly, resting heart rate (RHR) is defined as the heart rate when your body is at rest. Beats per minute (bpm) is the unit that is used to measure it.