Question

why is urine slightly thicker in summer than in winter

Answer 1

In summers we perspire more and the kidney reabsorbs the water from the urine making it more concentrated and thicker.

Answer 2

Answer:

In summer the body sweats allot due to higher temperature and this is the need of the body as well as cooling of the body is very important which is done through this process.

as in the summer their can be the decrease in the water inside the body, the kidney conserve water and reabsorbs in the nephrons. Therefore, the urine is thicker and more concentrated.