As you age the following things take place in your skin: 1  The amount of collagen produced is diminished and the type of collagen changes from a more youthful type of collagen to an older type of collagen. The production of collagen never ends. 2  The Elastin in your skin decreases in content as well as production.
The definition of a synapse is the junction between two neurons or nerve cells where there is a small gap that neurotransmitters help nerve impulses to cross.
The synapse is a small gap between neurons where information from: the axon of one neuron is sent to the dendrite of another neuron. the dendrite of one neuron is sent to the dendrite of another neuron. the dendrite of one neuron is sent to the axon of another neuron. the axon of one neuron is sent to the axon of another neuron. the axon of one neuron is sent to the dendrite of another neuron. Damage to this area of the brain can be deadly as this structure controls heart rate, respiration, and circulation.