i. Figure 1 shows an internal part of the human lung. ii. B V. Figure 1. Internal part of the human lung A a. Name the 0

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I Figure 1 Shows An Internal Part Of The Human Lung Ii B V Figure 1 Internal Part Of The Human Lung A A Name The 0 1 (76.9 KiB) Viewed 17 times

i. Figure 1 shows an internal part of the human lung. ii. B V. Figure 1. Internal part of the human lung A a. Name the 02 parts labelled as A & B respectively. b. Which epithelial tissue can be found in the structure labelled as A? c. What is the shape of the above-identified epithelial tissue cells? d. How does compound epithelium differ from simple epithelium? (2 marks) (1 mark) (1 mark) (2 marks) a. If a single red blood cell contains 280 million haemoglobin molecules, how many Oxygen molecules can be transported in that single red blood cell? b. Explain why oxygenated blood is bright red in colour. c. What are the three major mechanisms CO2 is transported in the blood? d. Define total lung capacity. e. Give 02 factors that influence lung volumes/capacities? iii. Distinguish two (02) differences between a skeletal muscle tissue cell and a smooth muscle tissue cell. (2 marks) iv. Identify which connective tissue is described in each of the following statements. (2 marks) (2 marks) (3 marks) (2 marks) (2 marks) a. Name two phases that lead to genetic variation in meiosis. b. Explain how each identified phase contributes to genetic variation. a. This tissue stores fat molecules and helps to keep the body warm from external cold environments. (1 mark) b. This tissue provides flexibility to the vertebral column, and its matrix contains chondroitin sulphate. (1 mark) REV:00 (2 marks) (2 marks)