1.(a) Describe the structure of the heart. (7) Marks) (b) Describe the events of the cardiac cycle in humans.( 8Marks) 2.(a)Describe the process of digestion in the (2 Marks) i.
1. Which of the following organs has no role in digestion of food? A. Pancreas B. Spleen C. Liver D. Salivary glands 2. By which one of the following processes