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.
Breeding occurs between the months of April and June, with the young being born from July to September (Florida Museum of Natural History, n.d.). The ribbon snake is viviparous (has live birth instead eggs). Females can bear 3-26 offspring; however, the typical clutch size is 10-12 (Ernst and Ernst 2003).