Renin is a protein (enzyme) released by special kidney cells when you have a decreased salt (sodium) level or low blood volume. If you have high blood pressure, your doctor may order a renin and aldosterone test to help determine the cause of your elevated blood pressure. Test results can help guide your doctor in choosing the correct treatment.
Quick Answer. Snakes can have live births, or they can lay eggs in order to have babies. Snake can reproduce every one to three years, and they can have up to 150 snake babies at a time. Keep Learning.
Copperheads are one of the keys snakes that have a live birth the young snakes are born in the fall the year usually from August through October. The average litter that a copperhead has is between 3 to 9 baby snakes.The largest litter of copperhead baby snakes ever recorded is 22. This occurred in Fairfax Virginia.opperhead Information. Copperheads are one of the keys snakes that have a live birth the young snakes are born in the fall the year usually from August through October. The average litter that a copperhead has is between 3 to 9 baby snakes. The largest litter of copperhead baby snakes ever recorded is 22.