Test Preparation

Arrange organelles, cells, tissues, organs, organ systems, and organisms in order and classify examples at each level.

Explain how structural adaptations enable a cell to perform a specialised function.

Identify the atria and ventricles on a heart diagram and describe the role of each chamber.

Trace the route of blood through the heart, lungs, and body in the correct sequence.

Compare arteries, veins, and capillaries in terms of their structure and function.

Explain how the structure of a red blood cell enables it to transport oxygen.

Annotate a respiratory-system diagram with the route of air and the functions of the nose, trachea, bronchi, bronchioles, lungs, and alveoli.

Explain the purpose of cellular respiration and why breathing is necessary to support it.

Describe how oxygen and carbon dioxide diffuse between the alveoli and the blood.

Match the mouth, oesophagus, epiglottis, stomach, duodenum, large intestine, and pancreas to their digestive roles.

Trace the pathway of food from ingestion to egestion, stating what happens at each major stage.

Compare mechanical digestion with chemical digestion using named examples.

Explain the roles of amylase, protease, and lipase by identifying the nutrient each enzyme digests and its products.