Cells in the pancreas release insulin into the blood
Answer:

Your bronchioles are some of the smallest airways in your lungs. Inhaled air passes through tiny ducts from the bronchioles into elastic air sacs (alveoli). The alveoli are surrounded by the alveolar-capillary membrane, which normally prevents liquid in the capillaries from entering the air sacs.
I.t is scientifically proven that they have zero bones in their body
This is called Hydronephrosis it is a condition that typically occurs when a kidney swells due to urine failing to properly drain from the kidney to the bladder. This swelling most commonly affects only one kidney, but it can involve both kidneys. If a blocked ureter is causing your condition, your doctor might need to do any of the following:
insert a ureteral stent, which is a tube that allows the ureter to drain into the bladderinsert a nephrostomy tube, which allows the blocked urine to drain through the backprescribe antibiotics to control infection.