The answer would be B.
Oxygenated blood is pumped from the left ventricle into the aorta and supply cells of all organs with oxygen and nutrients.
Answer:
The role that white blood cells play is to destroy bacteria.
Explanation:
They destroy them to keep you healthy and to keep u alive. They destroy the virus by eating it away. For example, when u get a flu shot, bacteria is flowing into your system but its not that strong. This prepares your white blood cells for the actual flu. It makes your body stronger, and more resistant.
They provide information on shared ancestry and evolutionary relationships.
