<span>Osmolality denotes the number of dissolved particles in the blood. </span>
When blood osmolality increases, ADH is released by the posterior pituitary and acts on the kidney to increase water retention. <span>ADH stands for AntiDiuretic Hormone. </span>ADH works on the kidneys to reabsorb water into the blood stream.
Answer: shingles, varicella-zoster virus
Explanation:
It should be noted that shingles usually occur with old people and it causes a painful rash when the chicken pox virus is reactivated in the body.
Since the man is old and has painful fluid-filled vesicles that have begun crusting over in a wide band across the left side of his lumbar area and also has a history of chickenpox, it's very likely it is shingles.
Genetic variation<span> occurs </span>mainly<span> through DNA mutation, gene flow (movement of genes from one population to another) and sexual reproduction</span>
