Fascinating facts about blood

Blood is an incredibly important fluid that delivers oxygen to the cells in the body. But is that its only function? Not really, as there are other important functions too.

Find out some fascinating facts about blood that you might did not know:

• An adult body has been estimated to have around 100,000 kilometres (60,000 miles) of blood vessels running throughout the body.
• Red blood cells play a key role in our body. They are responsible for carrying oxygen from the lungs to the tissues in your body, while white blood cells are responsible to help the immune system fight off viruses, bacteria, and other infectious diseases.
• O negative (O-) blood type is the universal blood type, highly demanded and mostly used for transfusions in emergencies when there is no time to detect the trauma patient’s blood type. However, O- blood is also quite rare with an estimated 7% of the population only having this blood type.
• Our kidneys cleanse around 200 litres of blood daily, removing toxins, wastes and water in the process.
• About 1.5 million barrels of blood is pumped by the heart during an average lifetime.