The path of blood through the circulatory system

starting at the right atrium. A: blood that hasn't been took in oxygen from the body enters into the right atrium. This blood mixes with oxygenated blood from the left atrium in the ventricle. This semi-oxygenated blood is sent out of the hearth through the main artery.

Explanation:

Snakes can live up to 9 years. They slither up to 18 mph. Snakes are reptiles that are elongated, limbless, and carnivorous. Another interesting thing about snakes is that they don’t have eyelids. The last fact is that snakes can open there mouths up to 150 degrees so they can swallow there prey.