Biology 9-1 0970: Excretion in Humans Topical Past Paper Questions

(a) An athlete monitored their heart rate and breathing rate before, during and after vigorous exercise. Fig. 6.1 shows the results. Fig. 6.1 Complete the sentences to describe and explain the results shown in Fig. 6.1. After exercise, it takes ..... minutes for the athlete's bre…

(a) Fig. 3.1 shows a kidney nephron and its associated blood vessels. Fig. 3.1 The compositions of fluids A, B and C were analysed. Table 3.1 shows the results for five components of the fluids. Table 3.1 (i) State the names of fluid A and fluid C in Fig. 3.1. A ..... C (ii) Usin…

(a) Fig. 3.1 is a photomicrograph of some cells lining the trachea. Fig. 3.1 (i) Describe the role of goblet cells. (ii) Explain how the cell labelled X in Fig. 3.1 is adapted for its function. (iii) State the name of one other part of the body where the type of cell labelled X i…