Classic Classic Quiz Biology by Chahetha Chahetha 22 played - 11 yrs ago Biology- Human Circulatory System (Year 7) QUIZ 30 QUESTIONS hard 1 The function of the Human Circulatory System is to : Make sure that blood clotting takes place.Transport material around the body.Conduct electromagnetic pulses through the heart. 2 Name one of the main parts of the Circulatory System : HeartLungsBrain 3 What are red blood cells also known as? LeukocytesThrombocytesErythrocytes 4 What are white blood cells also known as? LeukocytesThrombocytesErythrocytes 5 What are platelets also known as? LeukocytesThrombocytesErythrocytes 6 How many white blood cells are there is every 1 cm cube of blood? 8, 000250, 0009, 00 7 How many red blood cells are there in every 1 cm cube of blood? 40, 000400, 000400, 000, 000 8 What is the abbreviation for "white blood cells"? WBCWbc 9 Deoxygenated blood is... RedBlueGreen 10 Haemophilia is a blood disorder when : Blood clotting does not take place or takes place but after a long time.The number of red blood cells is less due to lack of iron, severe bleeding etc.Haemoglobin is not made enough of. 11 Veins transport blood. . Away from the heartTowards the heart 12 The heart is divided into the right and left sides by the. . AtriaVena CavaSeptum 13 The vessels on the outside of the heart are called : Bicuspid ValveCoronary ArteriesPulmonary Artery 14 The instrument used to hear the heart sounds is the. . RadialStethoscopeSphygmomanometer 15 What is the normal blood pressure for an adult? 110/60 mmHg130/120 mmHg120/80 mmHg 16 A heart attack occurs when which certain artery gets blocked? Pulmonary ArteryTricuspid ValveCoronary Artery 17 How much of the plasma in blood, water? 80%91%12% 18 Thickness of arteries : Very ThickOne- cell thickMedium thickness 19 Capillaries' Thickness is : Smaller than artery but larger than vein1 cell thick10 cells thick 20 Why do arteries have an elastic property? Because of the amount of blood flowing is very highSo that they can easily exchange materialsBecause the pressure inside is very high 21 Fill in the blanks : a) The right side of the heart carries ___________ blood. Oxygenated bloodDeoxygenated blood 22 B) The superior vena cava brings deoxygentaed blood collected form the organs ________ the heart AboveBelowNext to 23 Which side is the left side of the heart? 2, 3, 47, 6, 59, 8 24 Give an example of discontinuous variation : The blood different groupsWeights of class 7BHow loud people can scream 25 To little of carbohydrates/ fats & oils causes the malnutrition : Poor growthConstipationDiabetes 26 What is a balanced diet? A meal which weighs exactly 100g which is needed to keep the body healthyA diet which includes a variaty of foods in the same amounts in order to keep our body healthyA meal which contains all the nutrients in the correct amounts in order to keep our body healthy 27 How much of the human body is made up of water? 91%70%78% 28 What is the cause of Rickets? Lack of ironLack of calciumOverdose of medicine 29 How many different minerals do we need to keep our body healthy? 204010 30 Which test do we take to find out if there is presence/absence of fats & oils? Biuret TestEmulsion TestBenadict's Test A mistake in this Quiz ? Contact the author Commentaires
