Describe gas exchange between air in the alveoli and blood in the capillaries
Describe gas exchange between air in the alveoli and blood in the capillaries

Describe gas exchange between air in the alveoli and blood in the capillaries
Describe the functions in the gas exchange system of cartilage, smooth muscle, elastic fibres and squamous epithelium
Describe the functions of ciliated epithelial cells, goblet cells and mucous glands in maintaining the health of the gas exchange system
Recognise trachea, bronchi, bronchioles and alveoli in microscope slides, photomicrographs and electron micrographs and make plan diagrams of transverse sections of the walls of the trachea and bronchus
Recognise cartilage, ciliated epithelium, goblet cells, squamous epithelium of alveoli, smooth muscle and capillaries in microscope slides, photomicrographs and electron micrographs
Describe the distribution in the gas exchange system of cartilage, ciliated epithelium, goblet cells, squamous epithelium of alveoli, smooth muscle and capillaries
Explain the roles of the sinoatrial node, the atrioventricular node and the Purkyne tissue in the cardiac cycle (knowledge of nervous and hormonal control is not expected)
Explain the differences in the thickness of the walls of the: • atria and ventricles • left ventricle and right ventricle
Describe the Bohr shift and explain the importance of the Bohr shift
Explain the importance of the oxygen dissociation curve at partial pressures of oxygen in the lungs and in respiring tissues