As the central part of the circulatory system, the heart is responsible for pumping blood, supplying oxygen and nutrients, and removing metabolic waste such as carbon dioxide from all the tissues in ...

Your heart is a muscular organ that helps circulate your blood, which delivers oxygen and nutrients to your tissues. There are four chambers and four valves in your heart, and each ensures proper ...

Your nervous system is a network that sends signals between your brain and other parts of your body to control your body's movements and processes. This system includes your brain, spinal cord, and ...

Spaceflight removes the normal loading effects of gravity on the cardiovascular system and initiates 'ageing-like' deconditioning, including loss of physical fitness, arterial stiffening, and ...

Find out how the ‘second heart’ of your body helps to keep the cardiovascular functions running smoothly, and what you can do to keep ‘second heart’ healthy.

Although circulation is largely an automatic process, there are some ways to improve circulation. Examples include increasing activity levels, maintaining a moderate weight, eating oily fish, and more ...

Share on Pinterest The ‘sunshine vitamin’ has been shown to preserve heart health. It was previously believed that the endothelium served no other purpose than to act as an inert “wrapper” of the ...