The chemical secreted into the gap between neurons at a synapse is called

The electrical impulse in the neuron before synapse stimulates the production of chemical called neurotransmitters such as acetylcholine secreted into the gap.

the "dirty dozen" chemicals banned in an international treaty are formally known as persistent organic pollutants, or pops. the united nations environment program provided this background on what they are and what they can do to humans and wildlife.

i hope this

the answer is sex-linked recessive.