Your circulatory system works all day, every day, to pump oxygen throughout your body. There are cardiovascular conditions that can impact this system. Your circulatory system, also known as your ...

The cardiovascular system consists of the heart, blood vessels, and blood. Its primary function is to transport nutrients and oxygen-rich blood to all parts of the body and to carry deoxygenated blood ...

'The key with HIIT is to exercise at a high enough intensity to influence the push of your heart, and the stretch of your blood vessels. True high-intensity intervals are three minutes or less, and ...