<u>Answer:</u>
The factor that contributes to aging is: A Cells stop dividing after 50 divisions.
<u>Explanation:</u>
- Normally after 40 to 50 divisions the cells stops dividing because they had already lost too much DNA for other divisions.
- So they eventually die, making the appearance like an aged person in any individual.
- As DNA is copied in every cell division process, they tend to loose small part of telomeres in each transfer process.
- Hence, after 50 divisions these cells fails to divide resulting in aging.
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If the person damages the frontal lobe they may experience memory impairment and an inability to regulate behavior.
Temporal lobe brain injuries often cause lasting effects to. the body's sesses, personality and memory as well
The first trimester is when the embryo attaches to the placenta by the umbilical cord and the placenta make contact with the uterus.
