As we age, cell regeneration is slower so it also affects the formation of neurons where signals pass through as messages from the central brain are delivered to the rest of the body. These nerve endings deteriorates so the flow of biological signals become slow.
The answer would be : <span>centers for disease control and prevention - CDC.
Hope this helps !
Photon</span>
I would say autobiography, still it could be journal but I would go with A
After age 45 it is uncommon.
Answer:
D. All of the above is the correct answer.
Explanation: