1) ← Look at this picture. Which part of the human circulatory system is this? a) heart b) blood c) blood vessels 2) Which part of the human circulatory system is tubes containing blood present all around the body? a) heart b) blood c) blood vessels 3) What is the red-coloured liquid that flows inside the blood vessels? a) heart b) blood c) blood vessels 4) What is the function of the heart? a) Pumps blood to other parts of the body. b) Contains oxygen, carbon dioxide, digested food and waste material. c) Transport blood throughout the body. 5) What is the function of the blood? a) Pumps blood to other parts of the body. b) Contains oxygen, carbon dioxide, digested food and waste material. c) Transport blood throughout the body. 6) What is the function of the blood vessels? a) Pumps blood to other parts of the body. b) Contains oxygen, carbon dioxide, digested food and waste material. c) Transport blood throughout the body.

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