List the effects that aging has on two of hormones of the endocrine system
What will be an ideal response?
Answer:
1. Growth hormone level decreases with age, manifested by a decrease in lean body mass and decreases in thickness and strength of the bone matrix.
2. A slight decrease in T3 and T4 ratio is seen with age, resulting in a decreased metabolic rate.
3. Although aldosterone levels remain relatively steady, an age-related decline in the kidney's sensitivity to aldosterone occurs.
4. The pancreas retains the ability to secrete insulin at normal levels with age, but tissue responsiveness to insulin decreases.
5. Androgen and estrogen levels drop with age, although this is considered a normal process of aging.
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