LIFE SCIENCE

Detailed explanation-1: -organ system. The heart is an example of an organ level of organization within an organism. An organ is a group of tissues working together for a specific function. Heart is a muscular organ responsible for pumping blood through blood vessels in the circulatory system.

Detailed explanation-2: -Definition. In biology, an organ (from the Latin “organum” meaning an instrument or tool) is a collection of tissues that structurally form a functional unit specialized to perform a particular function. Your heart, kidneys, and lungs are examples of organs.

Detailed explanation-3: -Answer and Explanation: The heart liver and stomach are each examples of an organ.

Detailed explanation-4: -Your heart is a vital organ. It is a muscle that pumps blood to all parts of your body. The blood pumped by your heart provides your body with the oxygen and nutrients it needs to function.

Detailed explanation-5: -The heart is made up of four chambers: two upper chambers known as the left atrium and right atrium and two lower chambers called the left and right ventricles. It is also made up of four valves: the tricuspid, pulmonary, mitral and aortic valves.