Label each as either atom, molecule, or compound Oxygen 0
Atmospheric Oxygen O2
Ozone 03
carbon monoxide CO
carbon dioxide CO2

How can an organ, such as the lungs, work for multiple body systems?

How do plants obtain more sunlight a.) they lean towards the light b.)they grow straight up c.) they only live in sunny areas, like the tropics d.) they stay low to the ground

What are antigens and antibodies? how are they involved in the body’s response to incompatible blood?