What is Tissue fluid?
Why serum does not clot?
What is the measure of normal systolic pressure?
What is the measure of normal diastolic pressure?
What is 'angina pectoris'?
What is cardiac arrest?
Which blood vessels have only single layer?
What is heart attack?
Heart attack is when the heart muscle is suddenly damaged by an inadequate blood supply.
What is systole, diastole and pulmonary circulation?