1) Which organ acts as a pump to send blood around the body? a) The lung b) The heart c) Red blood cells d) Platelets 2) The circulatory system consists of... a) Blood, blood vessels and the heart b) Heart, lungs and stomach c) Kidneys, ureters, bladder and urethra. 3) Which suggestion we should follow to take care of our health? a) Smoke and drink alcohol b) Eat an unhealthy diet c) Do exercise regularly d) Using a lot of salt. e) Eating too many carbohydrates and fats. 4) The blood is made up of... a) Plasma, veins and platelets. b) Plasma, red blood cells and arteries. c) Plasma, red blood cells and white blood cells.  d) Plasma, red blood cells, white blood cells and platelets. e) Arteries, veins and capillaries. 5) What is the function of the PLATELETS? a) They help to stop bleeding from wounds. b) They transport oxygen. c) They protect the body from germs and disease. 6) The three types of blood vessels are... a) Atria, veins and arteries. b) Ventricles, vessels and capillaries. c) Arteries, veins and capillaries. d) Atria, plasma and platelets. 7) The heart is a special type of... a) Muscle b) Bag c) Dog d) Mobile phone 8) In the heart... where blood enters in? a) In the right and left atria b) In the right and left ventricles c) In the right atria and left ventricle d) In the right ventricle and left atria 9) Which blood vessels allows for nutrients and oxygen to pass into the body cells, and for carbon dioxide and other waste products to leave de cells? a) Capillaries b) White blood cells c) Atria d) Plasma e) Veins f) Heart 10) Which things carries the blood? a) Only nutrients and oxygen. b) Only carbon dioxide. c) Nutrients, oxygen, carbon dioxide and waste products. 11) The CIRCULATION is the movement of waste products through the circulatory system. a) TRUE b) FALSE 12) There are two separate circuits in the circulatory system a) The excretion and reproduction. b) The pulmonary circulation and systemic circulation. 13) The first step in the pulmonary circulation is... a) Blood that is high in carbon dioxide enters the right atrium. b) Blood goes through the right ventricle towards the lungs. c) Gas exchange takes place in the air sacs in the lungs d) Blood that is high in oxygen enters the left atrium 14) The systemic circulation allows for... a) The exchange of aliments b) The exchange of nutrients, gases and waste products in the body cells.  c) The nutrients and carbon dioxide. 15) The last step in the systemic circulation is... a) Blood that is high in oxygen leaves the heart through the left ventricle. b) Blood travels through the veins and returns to the heart. It enters the heart through the right atrium. c) 16) The pulmonary circulation allows for... a) The exchange of gases in the lungs. b) The exchange of gases in the heart. c) The exchange of gases in the veins. 17) What are the waste products? a) Good substances for our body b) Substances that are toxic and need to be eliminated 18) What is the excretion process? a) Is the production of waste products from the blood. b) Is the elimination of nutrients from the blood. c) Is the elimination of waste products from the blood. 19) Another name that the excretory system is known... a) The circulatory system b) The respiratory system c) The muscular system d) The urinary system 20) The urinary system consists of... a) Kidneys, ureters, bladder and urethra. b) Kidneys, heart, bladder and urethra. c) Lungs, kidneys, heart and blood. d) Red blood cells, white blood cells and platelets. 21) When excretion happens? a) When blood reaches the lungs. b) When blood reaches the kidneys.  c) When blood reaches the head. 22) The kidneys' function is... a) Only filter blood. b) Filter blood, retain waste products and use them to produce blood. c) Filter blood, retain waste products and use them to produce urine.  23) Tell me the parts of the urinary system a) . b) , 24) The ureters' function is... a) Carry nutrients from the kidneys to the bladder. b) Carry oxygen from the kidneys to the bladder. c) Carry urine from the kidneys to the bladder. d) Carry nutrients from the bladder to the kidneys. 25) Where is the urine stored? a) In the bladder. b) In the urethra. c) In the kidneys. d) In the ureters. 26) Why we said that the respiratory system keeps relation with the excretory system? a) Explain your answer. b) , 27) Where is the pore and the sweat gland situated in this photograph? a) Correct answer b) , 28) Where is formed the sweat? a) In the mouth. b) In the kidneys. c) In the sweat glands. 29) The sweat is formed by... a) Mainly of water, but also contains mineral salts and waste products. b) Waste products c) Only water d) Only mineral salts. 30) Why the sweat glands are considerated part of the excretory system? a) Think about the answer. b) , 31) Healthy advice are... a) Drink 1.5 litres of water a day b) Keeping our skin clean c) Shower every day with warm water and mild soap. d) All the answers are correct.

The circulatory and excretory system

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