Humana Healthy Horizons in OhioHumana Member services (M–F, 7am–8pm ET)877-856-5702 (TTY: 711)24/7 Nurse Advice Line: 866-376-482724/7 Behavioral Health Crisis Line: 877-856-5702 (TTY: 711)
Inferior vena cava (VEE-nuh KAY-vuh): the large vein that returns blood from the legs and abdomen to the heart.