The circulatory system comprises of the heart, the lungs and the  blood vessels. The main objective of the circulatory system is  transporting oxygenated (rich saturation of oxygen) blood around  the body. The de-oxygenated blood enters through the vena cava and  into the right atrium of the heart.
Vladimir Putin's Height. 5ft 6.5in (169 cm) The President of Russia. A newspaper once reported that there was criteria for the height of people in official photos with him, and that they shouldn't be taller. Shockingly, the newspaper said with a straight face Vladimir is believed to be between 5ft 2 and 5ft 5.
At five feet, ten inches (178 cm) tall, Bure was a smaller player in the NHL. His linemates Saku Koivu (five foot ten) and Oleg Petrov (five foot nine) were similarly diminutive, and the trio were known in Montreal as the Smurf line. After playing 50 games for the Canadiens in 1997â98, Bure was traded.