Which component of the cardiovascular system is responsible for transporting nutrients and
eliminating wastes?
heart
heart valves
blood

5. in case of an emergency, once you or someone already on the scene has contacted 9-1-1, the next thing to do is:

Occurs when the immune system attacks the body. lupus cancer sickle cell disease huntingtons disease

Although animals share many common characteristics, there is also a great amount of diversity found in animals. which animals are ectothermic, obtain dissolved oxygen in water through gills, have scales, have fins, and live in water?