• Heartbeat
  Your heart pumps, or beats, about once every second. This is about ...

• Nonstop working
  Most of your heart is made of cardiac muscle. Unlike many of your ...

• A healthy heart
  Being under stress or overweight, eating fatty foods and smoking can ...

• DID YOU KNOW?
  Special valves in your heart stop your blood from flowing the wrong ...

• Heart under attack
  In western countries, heart disease is a common cause of death. It ...

• A new heart
  The first ever heart transplant operation was carried out in South ...

• Making a move
  Without muscles, you would not be able to move. There are muscles all ...

• Achilles heel
  Your muscles are attached to your bones by strong bands, called ...

• Team work
  When you want to move a part of your body, electrical signals run ...

• DID YOU KNOW?
  With regular exercise and practice, you can increase the strength of ...