Explain why there is no glucose ni urine

Urine contains no glucose because the kidneys  reabsorb all the glucose from the long/tube-shaped fluid back into our bloodstream.

Because it gets left behind in your large intestine.

Explanation:

the menstrual cycle – higher tier. negative feedback mechanisms affect the production of hormones in the menstrual cycle. oestrogen also stimulates the release of lh (luteinising hormone) from the pituitary gland, which in turn controls the production of progesterone.