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.
5.7k Views. First, not all snakes lay eggs. Many species of snakes, including all vipers (including rattlesnakes), boas, and all members of the garter and ribbon snake family, give birth to live young.mong those species that do lay eggs, the number of eggs laid depends on both the species, and the size of the female. Larger snakes lay larger clutches of eggs than smaller snakes of the same species. Some snakes may lay as few as 2 or 3 eggs, while some very large constrictors may lay up to 100.