I believe the answer would be d.muscle cramps. Breathing in toxins seems like it could relate to the other three answers.
Unconscious? Yes.
Refuses? No.
Happening at the scene? Yes.
Positive intentions? Yes.
Force & Leverage explain how the body works :)
Well I would just take the food away right
A neuron produces a chemical called a neurotransmitter in response to an action potential. The neurotransmitter travels across the synapse to activate or inhibit the target neuron. Different types of neurons employ varying neurotransmitters, which has different effects on their targets.