Assess and evaluate the impact of two diseases/disorders on the structures and the functions of the brain and the spinal cord. (1.1, 1.4)

Assess and evaluate the impact of two diseases/disorders on the structures and the functions of the brain and the spinal cord. (1.1, 1.4)

Explain the structures and the functions of the central and peripheral nervous system

1.4 Discuss two diseases/disorders of the central nervous system mentioning causes, symptoms and treatment

2. Using a diagram from the internet; consider the different role of reflexes in the human body using relevant examples; and the role of neurones in these reflexes. (1.2, 1.3)

1.2 Explain the structures and functions of a neurone distinguishing between the three main types found in the human body

1.3 Explain a reflex arc and nerve impulse

3. Examine the role of hormones in the following conditions; dwarfism, myxoedema, Cushing`s syndrome, poor milk production in breast feeding women, diabetes insipidus;  development of type 1 diabetes mellitus, normal development of T-lymphocytes and the regulation of the biological clock in humans (2.1)

2.1 Discuss the role of the hormones secreted by the main endocrine glands in the human body and their effects

4. Explain the structures of the eye, and how disease can affect visual perception in the eye. (3.1, 3.2)

3.1 Explain the structure and function of the eyes

3.2 Explain the mechanism of visual perception in the eyes

5.  Explain the structures of the ear, and how disease can affect the mechanism of hearing. (3.3, 3.4)

3.3 Explain the structure and function of the ears

3.4 Explain how sound is perceived in the ears