Your answer is,<span> cigarette smoking</span>
So Sam has the disorder and one of his parents are likely the carrier since Sam is their son. That’s all I can provide since that’s all the info I was given.
I believe the answer would be D because it works for all emergencies/hazards :)
The brain contains many billions of neurons that work together to produce sensation, thought, learning and many other sensing and feeling type of processes.
Neurons use electrical signals to transmit information within a single cell and these unique functions have forced the neuron to adopt a cell structure.
Neurons comprise a cell body (or soma), dendrites, and an axon that ends at a terminal. Communication between neurons is a chemical process that uses neurotransmitters.