Draw well-labelled diagrams of:
(a) Structure of human heart
(b) Structure of ovary showing progressive stages of follicle maturation
(c) Structure of a neuron.
Explain the mechanism of urine formation.
Differentiate between chemical and electrical synapses. Describe the process of neurotransmission across them.
Illustrate the process of oogenesis in a mammalian ovary.
What are the different components of the digestive system? Describe the digestion and absorption of carbohydrates in different parts of the digestive tract.
What is action potential? Describe in detail the propagation of a nerve impulse along a nerve fibre.
What is respiration? Give an account of the transport of oxygen during respiration.
