S2 Biology

St. Aloysius’ College E-learning

Module 2.1 – Digestion

Pupils will study the basic structure of the human digestive system. They will learn about both the mechanical and chemical breakdown of the nutrients in their food. They will be introduced to the role of enzymes and carry out practical investigations.

Module 2.2– Heart and Circulation

Pupils will study the basic structure of the human heart and its circulatory system. They will learn about the components of blood, blood vessels and the effect of exercise. They will learn to measure their own pulse and graph its changes during exercise and recovery.

Module 2.3– Cell Division

Pupils will learn about the complex process of cell division. Chromosomes will be described in detail, explaining the way genetic information is stored on them in units called genes that are made of DNA. The need for nuclear division to take place before cell division in the cell cycle is then explained and the steps in this nuclear division, mitosis, are then covered.

Module 2.4– Photosynthesis and Respiration

Pupils will learn about the basic biochemical reactions of photosynthesis and respiration. They will be introduced to the word equations for each process and begin to learn the significance of each of these reactions to all living organisms.