1. Generally heart rate is low when resting. It's a sign of good health.
2. When it is too low the condition is called bradycardia.
3. Normally, the heart beats 60 to 100 times a minute when you are at rest.
4. But with bradycardia, it goes down to less than 60 beats a minute.

1. To estimate approximately the number of cellular components.
2. To study the morphology of these components.
3. To observe the presence of blood parasites.
4. To study the response of the body to various diseases

1. EEG is a test to evaluate the electrical activities of the brain.
2. Brain cells communicate with each other through electrical impulses.
3. An EEG tracks and records the brain wave patterns.
4. It is a graphical recording of the electrical activities of the cortical and sub cortical regions of the brain.
5. It is recorded by placing the surface electrodes on the scalp region .
6. The electrodes analyse the electrical impulses in the brain and send signals to a computer which records the results

1. Stethoscope helps to find the normal and abnormal heart beat sounds and also to diagnose valve functions.
2. It helps to diagnose lung diseases such as pneumonia, pulmonary edema, bronchitis and pleuritis.
3. Stethoscopes along with sphygmomanometer are used to read the blood pressure.
4. It outlines the status of cardiac, respiratory and intestinal disorders.