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/ (a) (i) What is fluid X? [1 mark] (ii) What happens to the components of fluid X when it passes through the lymph node? [1 mark] (b) (i) Fluid X srcinates from the blood.Describe how fluid X is formed from the blood. [2 marks] (ii) State one difference between fluid X and the blood.(d) The blood circulatory system and the lymphatic system function to maintain the composition of thetissue fluid.Explain how the composition of the tissue fluid is maintained by stating the substances transportedby the blood circulatory system and the lymphatic system.ro --- 1.-1^ Figure 5 shows part of the circulatoiy system and the lymphati ^stem in the human body.VesselQIVein[1 mark] (i) A part of vessel Q is blocked.Explain its effect on the system in Figure 5.[2 marks] (ii) Vessel Q in the leg is blocked.What would happen to the leg? [1 mark] 2 Diagram 2 showi^A lr levels of cell organisation in humans. , » Rajah 2 menunjukkan empat aras organisasi sel dalam manusia. ) (a) Complete Table 2 by naming Level 2 and Level 3. Lengkapkan Jadual 2 dengan menamakan Aras 2 dan Aras 3. I*») 15)~TKs _ CS , Hs _ u'ndergo- process X to become specific cells that performa specific function. Name process X. Sel-sel itu melalui proses X untuk menjadi sel khusus yang menjalankan fungsi yang khusus.Namakan proses X. (ii) What is the function of the structure in level 2? [1 mark] Apakah fungsi struktur dalam aras 2? [1 markah] (iii) The structure in level 4 is one of the body systems. ^ ' 'f;Name this system. t 1 Struktur dalam aras 4 adalah satu daripada sistem badan. Namakan sistem ini.mark1 (iv) State one function of the system in 2(b)(iii). ^ mar k a h.} Nyatakan satu fungsi sistem di 2(b)(iii). [1 mark] [1 markah] ProcessX 0 O Proses XLevel2 Aras 2Level3 Aras3Level4 Aras4Diagram 2 Rajah 2Level1Aras1 [2 marks] [2 markah] LevelMras Name/iVama1 Cells /Sel 234 System /Sistem Table 2 Jadual2 (i) Name and explain the condition which can cause a bloV in blood vessel S. Namakan dan terangkan keadaan yang boleh menyebabkan berlakunya penyumbatan dalam salur darah S. Na me/Nama: Explanation /Penerangan: [3 marks] [3 markah] (ii) A person is suffering from the condition in 2(c)(i). State three effects on the person's health. Seorang individu mengalami keadaan di 2(c)(i). Nyatakan tiga kesan ke atas kesihatannya. (a) Name circulations R and S. Describe each circulation.(i) E: ______________ _______________________________ Description: _______________ _______ I ____________ (ii) S: _______________ : -----------------------------------------------------------------------------------------------Description: ______ _____________________________________________ _____ _ __ [4 marks 1 (b) On Figure 3, mark the following flow of blood to illustrate the circulations R and S. ã Oxygenated blood with the arrow ( ----------------------------- ►) ã Deoxygenated blood with the arrow ( ---------------------------- *) [1 mark) (c) The pacemaker of a patient's heart fails to function. An electronic pacemaker is used to replace thesrcinal pacemaker.Explain how the electronic pacemaker works.[3 marks] (d) Table 1 shows the volume of blood and the blood pressure in blood vessels X and Y.(i) Based on Figure 3(a) and Table 1, what conclusion can you make about the rate of blood flow in theblood vessels X and Y?Blood vessel Volume /cm 3 Pressure /kPaX 100 13.3Y 300 0.3Table 1
