4.2.2 Animal tissues, organs and organ systems

Describe the levels of organisation within living organisms

Describe the digestive system and how it works as an organ system (from KS3)

Describe basic features of enzymes (inc rate calculations for chemical reactions)

Describe the lock and key theory as a model of enzyme action and explain how the shape a of the active sites makes the enzyme specific

Explain the effect of temperature and pH on enzymes

Describe the digestive enzymes, including their names, sites of production and actions

Describe how the products of digestion are used

Describe the features and functions of bile and state where it is produced and released from

Required practical 4: use qualitative reagents to test for a range of carbohydrates, lipids and proteins

Describe the structure of the human heart and lungs (inc how lungs are adapted for gaseous exchange)

Explain how the heart moves blood around the body (inc role and position of the aorta, vena cava, pulmonary artery & vein and coronary arteries)

Explain how the natural resting heart rate is controlled and how irregularities can be corrected

Describe the structure and function of arteries, veins and capillaries

Use simple compound measures such as rate and carry out rate calculations for blood flow

Describe what happens in coronary heart disease and what statins are used for

Describe and evaluate treatments for coronary heart disease and heart failure (inc drugs, mechanical devices or transplant)

Recall that heart valves can become faulty and describe the consequences of this

Describe how patients can be treated in the case of heart failure

Describe health and the explain causes of ill-health and the relationship between health and disease

Describe how different types of diseases may interact and translate disease incidence information between graphical and numerical forms

Describe what risk factors are and give examples discussing human and financial costs of non-communicable diseases at local, national and global levels

4.2.2.3 Blood

4.2.2.7 Cancer