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Answers
Answer:
Due to Nerve Impulse in neuromuscular junction
Explanation:
On seeing the prey, an impulse is sent from the brain to the muscles in it’s limbs so that the cheetah can run towards the prey.
If the prey is much nearer then the impulse is sent to Spinal cord for much quicker action then to the brain.
The nerve impulse in neuromuscular junction releases a chemical known as acetylcholine which stimulates the muscles to change the structure of proteins.
Muscles have special proteins that change both their shape and their arrangement in the cells, new arrangement of the proteins give different forms to the muscle cells, i.e. Shorter or Larger form.
Therefore, the cheetah is able to run after the prey due to the arrangement of cellular components (proteins) in the muscles.
Also the Adrenaline released by Andrenal gland stimulates condition for faster running of it's prey.