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.
+1 vote! Copperhead snakes can have many eggs depending on the condition of breeding. Once the snake is four years old it is ready to mate and then lay eggs. Depending on how well the breeding went the snake can have as many as 1-14 babies.