Human Heart – Structure, Layers, facts, Functions & Basic Anatomy

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THE HUMAN HEART The circulatory system is composed of heart and blood vessels including arteries, veins, and capillaries. The heart is the key organ in the circulatory system. As a muscular organ, its main function is to propel the blood throughout the body. It supplies oxygen and nutrients to the […]

How do citrus fruits like lemon/orange reduce vomiting sensation when smelled?

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We all know that vomiting sensation is associated with nausea. Anything can cause a person to vomit. Vomiting sensation differs from person to person. Any odor which causes one person to vomit may not affect another person. Drugs can also cause the person to vomit. Any infection or disturbance like […]