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Fact Sheet – B3.2 Transport Systems Name: _______________ TOTAL: Question / 55 PERCENTAGE: % Answer The heart 1. What makes up the circulatory system? (3) The blood vessels The blood Transports substances around the 2. What does the circulatory system do? (1) body 3. What does the heart do? (1) Pumps blood around the body 4. What is the heart wall mostly made of up? Muscle tissue (1) The left atrium 5. What are the four chambers of the heart? The left ventricle (4) The right atrium The right ventricle 6. Blood enters the ___1___ of the heart. 1. atria The ___2___ contract and force blood into 2. atria the ___3___. The ___4___ contract and 3. ventricles force blood out of the heart. ___5___ in the 4. ventricles heart ensure that blood flows in the correct 5. Valves ___6___. Blood flows from the heart to the 6. direction organs through ___7___ and returns 7. arteries through ___8___. There are two separate 8. veins ___9___ systems, one for the ___10___ and 9. circulation one for ___11___. 10. lungs 11. all other organs of the body 7. What do arteries do? (1) Carry blood away from the heart Thick walls 8. What properties do arteries have? (3) containing muscle and elastic fibres 9. What do veins do? (1) Carry blood back to the heart Thin walls 10. What properties do veins have? (2) valves Allow exchange of substances 11. What do capillaries do? (1) between the blood and cells. Narrow 12. What properties do capillaries have? (2) Very thin walls 9. What do stents do? (1) 10. In what event would stents be needed? (2) 11. What is blood? (1) 12. What does blood plasma do? (3) 13. What do red blood cells do? (1) 14. How are red blood cells adapted to their function? (2) 15. Haemoglobin is a red ___1___ which combines with ___2___ in the lungs to form ___3___, and splits up again into __4__ and __5__ in other organs. 16. What do white blood cells do? (1) 17. What do platelets do? (1) 18. What do platelets consist of? (2) 19. What is the xylem? (2) 20. What is the transpiration stream? (1) 21. What is the phloem? (2) Keep arteries open If arteries begin to narrow (1) and restrict blood flow (2) A tissue which consists of plasma, red blood cells, white blood cells, and platelets. Transports: -carbon dioxide (⅟2) from organs to lungs (⅟2) -soluble products of digestion (⅟2) from small intestine to other organs (⅟2) -urea (⅟2) from liver to kidneys (⅟2) Transport oxygen from the lungs to other organs. No nucleus Packed with haemoglobin 1. pigment 2. oxygen 3. oxyhaemoglobin 4. oxygen 5. haemoglobin Help to defend the body against pathogens Help to clot at the site of a wound Small fragments of cells No nucleus Tissue in plants (⅟2) that transports water and mineral ions (⅟2) from the roots (⅟2) to the stem and leaves (⅟2) The movement of water from the roots xylem out through the leaves Tissue in plants (⅟2) that transports sugars (⅟2) from the roots (⅟2) to the rest of the plant (⅟2)