The answer is C)Resistant bacteria cannot be attacked by penicillin
Your heart muscle needs its own supply of blood because, like the rest of your body, it needs oxygen and other nutrients to stay healthy. For this reason, your heart pumps oxygen-rich blood to its own muscle through your coronary arteries.
oye no me lo de baja enviar y me tocó tomarle pantallazo de lo que estaba escribiendo y espero te ayude