Problem:
According to the information from this article,
People and other primates are exquisitely sensitive to funnel web venom but, intriguingly, other mammals such as mice, rabbits, guineapigs, dogs and cats are relatively immune and often survive 100 times the human lethal dosage.
Required:
Question: Why is the funnel web spider venom so much more lethal for humans and primates than other mammals? Explain thoroughly.