Complex sentence: If the leap is unsuccessful in completely avoiding the snake's strike, it still serves the purpose of preventing the fangs from embedding as the jumping action is so forceful that the rat may be able to disrupt the snake's striking movement.
Split into simpler sentences: If the leap is unsuccessful in completely avoiding the snake's strike, it still serves the purpose of preventing the fangs from embedding. The jumping action is so forceful that the rat may be able to disrupt the snake's striking movement.