The heart is a vital organ in the human body that plays a crucial role in circulating oxygenated blood to all parts of the body. In the field of nursing, understanding the heart and its functions is of utmost importance. Here's a short note on the heart for nursing: The heart is a muscular organ located in the chest, slightly left of the center. It is responsible for pumping oxygenated blood received from the lungs to the rest of the body and returning deoxygenated blood back to the lungs fo...

A host is an organism that provides shelter and nourishment to a parasite, often at its own expense.

A parasite is an organism that lives in or on another organism (host) and derives its nourishment from the host while potentially causing harm.