Explain the difference between the SA and AV node? (2 marks)
Explain the main function of a neurotransmitter? (2 marks)
Explain why saltatory conduction is faster than continuous conduction? (2 marks)
Using an example, explain what a negative feedback loop is. (2 marks)
Kidneys produce about 350 litres of filtrate a day. In light of this, why do we only produce 1-2 litres of urine on average per day? (2 marks)
Using examples highlight the difference between active transport and simple diffusion. (2 marks)
Using examples, explain how RNA vaccines are different to a live attenuated vaccines. (2 marks)
Ageing is not a pathology – do you agree with this statement? Use evidence to support your answer. (2 marks)
Explain the role of hormones in the regulation of hunger. (2 marks)
With reference to the renal and endocrine systems, explain the bodies initial response to becoming dehydrated. (2 marks)
