As our virtual heart tour continues, we gather around a bisected heart, watching valves open and close. The teacher prompts ...

Doctors used to be the gold standard of job security. After all, you can't outsource a heart transplant to a chatbot… right?

In just 60 seconds, the average adult heart pumps about 1.5 gallons (5.7 liters) of blood. X-rays of ancient Egyptian mummies show that people had heart disease more than 3,000 years ago.

RRB Paramedical Syllabus covers four sections. Check complete syllabus, exam pattern, section-wise topics, and preparation ...

Exercise can temporarily increase blood pressure or lower it slightly. Learn more about when to talk to your doctor, blood pressure readings, and safety tips.