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.
Sea snakes give birth in the ocean to an average of 2â9 young, but as many as 34 may be born. The 54 species in subfamily Hydrophiinae belong to 16 different genera. The six species of sea kraits (genus Laticauda) are not as specialized for aquatic life as the true sea snakes.