Pathogens are any microorganism that has the ability to cause diseases in living things. Therefore, the phrase that best defines the word pathogens is microscopic organisms that cause diseases as they have the ability to cause disruptions in the organs of a living thing to cause disease.
Adult is 30 chest compression to 2 breaths. For child its 15 chest compression to 2 breaths. For infants its the same as a child but don't use your hand its only two fingers or thumbs
