Questions

Normally, urine contains water and wastes, such as urea, uric acid, creatinine, and some ions. However, some of these substances may be abnormally elevated, which usually indicates that something is wrong with the body.

The following are some of the abnormal constituents of urine::

Albumin

Bilirubin

Glucose

Ketone bodies

Blood

Microbes

White blood cells

In message passing, it is the condition in which, both, the sender and receiver are blocked until the message is delivered.

Both flies and bees can sit on the uncovered food and contaminate the food.