Your immune system protects you from bacteria and viruses. Sometimes it misreads a harmless substance as a threat. When that happens, your body creates chemicals, like histamine, that trigger an allergic reaction. It's unclear what causes your immune system to make the mistake about certain things.
The esophagus then releases the food into the stomach and a valve, or sphincter, acts as a gateway to keep the food from going back up into the esophagus. Stomach. In the stomach, our food is sterilized and further broken down.
Bladder spinal reflex is the mechanism so you can
consciously void urine. There are receptors in the bladder that senses the
amount of urine collected. These are responsible for that ‘voiding urge’. The
higher the amount of urine collected, the greater the intensity of the signals.
Finally, when you get to the bathroom,
another set of nerves lets you consciously urinate so you can select which bathroom
stall is nice for peeing. Diabetes mellitus can damage nerves in the spinal
cord, including those involved in functioning of the bladder. Damage to the nerves
in the bladder spinal reflex arc is suspected if the patient suffers from
urinary retention – where the patient can consciously void urine but cannot
feel if the bladder is full.
It would be epithelial tissue that covers it.
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