Starfish utilise a water vascular system to circulate nutrients and oxygen throughout their bodies instead of a traditional ...

The heart is a muscular organ that pumps blood around your circulatory system. The circulatory system is the heart and all the blood vessels in the body which carry cells and substances to all its ...

Our human body has a very complex system. Our brain controls all bodily functions like our thoughts, emotions, sense of touch ...

The pounding rhythm is synonymous with the beat of life itself - the sound of a person's heartbeat. This remarkable organ is ...

Veins between two capillary networks are portal systems. Closed circulatory system, but fluid constituents of blood leak out of capillaries and return to the heart by the second component of the ...

It's the third hypertension drug we've seen recalled in a month, with scientists flagging "global safety concerns" with this ...