Yes, snakes have a three-chambered heart that is positioned within the ribcage. The heart is mobile and not attached to a diaphragm; this enables a snake to swallow its prey whole. Cardiovascular System Systemic Venous Return Snakes have renal and hepatic portal circulations—the jugular vein located anterior to the heart near the trachea. The right […]
![snake and a heart symbol](https://petrapedia.com/wp-content/uploads/2021/06/snake-and-a-heart-symbol.png)