PPE primary use is to protect the user. Thus, answer is B) to protect the first responder from diseases
The core muscles stabilize and protect the spine. They help control all movements and make it possible for us humans to walk and stand up right. The core helps us transfer energy, shift our body weight and reach/move in different directions. It is important to have a strong set of core muscles because it makes everyday activities easier.
The chamber of the heart through which blood leave to go to the body are the ventricles.
<h3>What is the heart?</h3>
The heart is the organ that is responsible for pumping blood around the body. The heart has four chambers and two upper and two lower chambers. The upper chambers of the heart are responsible for receiving blood while blood leaves the heart via the two chambers below.
The name of the two chambers that are found below the heart is ventricles. Thus, the chamber of the heart through which blood leave to go to the body are the ventricles.
Learn more about the heart:brainly.com/question/28465505
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The answer to your question is A,B
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