06 Transport in Humans Worksheet

43 Biology Worksheet Chapter 8: Transport in Humans Name: _________________________ ( ) Class : _________ Date : _________ Section A Multiple Choice Questions Choose the most appropriate answer and write it in the corresponding box below. Qsn 1 2 3 4 5 6 7 8 9 10 Ans Qsn 11 12 13 Ans 1 What is the shortest route that can be taken by the blood travelling from a leg to an arm in the human body? A leg heart lungs heart arm B leg heart lungs liver arm C leg liver heart lungs arm D leg liver stomach heart arm 2 The table below lists the characteristics of the blood found in one blood vessel in the circulation of a mammal. oxygen concentration carbon dioxide concentration blood pressure high low high Which blood vessel, A, B, C or D, contains blood with these characteristics? A aorta C vena cava B hepatic portal vein D pulmonary vein 3 The diagrams show sections through two types of blood vessel. Which vessel has valves present and which carries blood under the highest pressure? valves present blood under highest pressure A B C D 1 1 2 2 1 2 1 2

44 4 After vigorous muscular exercise, which blood vessel contains many more hydrogencarbonate ions in the plasma? A aorta C pulmonary vein B hepatic artery D vena cava 5 The bar chart shows the concentration of oxygen in blood sampled at five places in the circulatory system of a mammal. Which blood sample was taken from a pulmonary vein? 6 The diagram shows a vertical section through the heart of a mammal. What are the numbered blood vessels? aorta pulmonary artery pulmonary vein vena cava A B C D 1 1 2 3 2 3 4 1 3 4 2 4 4 2 1 2

45 7 The diagram shows a section through the heart. Which numbered blood vessels carry oxygenated blood? A 1 only C 1 and 3 only B 2 only D 4 and 5 only 8 Blood samples from three veins in the body were tested for the concentration of oxygen, carbon dioxide and urea. The results, in arbitrary units, are shown in the table. vein oxygen concentration carbon dioxide concentration urea concentration 1 2 3 40 40 90 48 48 40 1.5 7.5 4.0 Which veins were sampled? hepatic vein pulmonary vein renal vein A B C D 1 2 3 3 2 3 1 2 3 1 2 1 9 Some of the components of the blood of a mammal are listed. 1 antibodies 2 fibrinogen 3 platelets 4 white blood cells Which two components are involved in attacking bacteria and other organisms that cause disease? A 1 and 2 C 2 and 3 B 1 and 4 D 3 and 4

46 10 The diagram shows the pressures in the left side of the heart during one heartbeat. Which valves are open and which are closed at the