1) What cell carries blood, oxygen and nutrients around the body? a) Red blood cells b) White Blood cells c) Antibodies 2) Which of these statements is true? a) All arteries carry oxygenated blood b) All veins carry oxygenated blood c) Most arteries carry oxygenated blood d) Most veins carry oxygenated blood 3) Where do red blood cells collect oxygen from? a) Heart b) Lungs c) Small intestine d) Mouth 4) Which systems are connected to the circulatory system? a) Respiratory system  b) Digestive system c) Skeletal system d) Circulatory system 5) What are the main functions of the skeletal system? a) Protection, breathing and support. b) Keeping everything in place. c) Support, digestion and movement. d) Movement, protection and support 6) What are the three main components of the circulatory system?  a) Blood vessels, heart and lungs b) Stomach, brain, heart c) Arteries, veins and capillaries d) Brain, blood vessels, heart 7) What do the red blood cells drop off at the lungs? a) Oxygen b) Carbon dioxide c) water d) nutrients 8) How many chambers does the heart have? a) two b) one c) four d) three 9) The chambers at the bottom of the heart are called a) right ventricle b) left ventricle c) right atrium d) left atrium 10) Inside the small intestine there are a) villi b) bile c) saliva d) chyme 11) All drugs are illegal a) true b) false 12) All medicines can damage the body? a) true b) false

Circulatory System

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