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Human Organ Mapping SNC2D Human Organs The human body is made up of many organs that work together to accomplish all of the tasks required in a healthy functioning organism. To understand the function of organs, you need to know where they are found in the human body. Procedure On a large piece of paper (obtained from you teacher), trace an outline of your torso. Brainstorm with your partner(s) about the location, relative size, and shape of the following organs of the human body: lungs, heart, liver, stomach, intestines, and kidneys. Using separate pieces of paper, sketch the organs to actual size, cut them out, and place them on the appropriate locations on the outline on the large piece of paper. Answers The Lungs A pair of organs, each about 1 kg The Lungs A pair of organs, each about 1 kg Where oxygen passes into the bloodstream The Heart About 0.3 kg and the size of a fist The Heart About 0.3 kg and the size of a fist Pumps blood to all parts of the body Referred to as a muscle but also contains the other types of tissue The Liver The largest visceral (internal) organ, weighing about 1.5 kg The Liver The largest visceral (internal) organ, weighing about 1.5 kg Involved in detoxification and the production of biochemicals for digestion The Stomach About 50 mL when empty and 1 L when full The Stomach About 50 mL when empty and 1 L when full Where food is mixed with digestive juices and enzymes by muscle tissues constricting and relaxing The Intestines About 4 – 5 cm in diameter and about 7.5 – 8 m long The Intestines About 4 – 5 cm in diameter and about 7.5 – 8 m long Where nutrients from food are passed into the bloodstream The Kidneys A pair of organs, each about 0.15 kg The Kidneys A pair of organs, each about 0.15 kg Where waste products are removed from the blood Organ Systems These organs are all part of one or more organ systems, groups of organs which work together to perform basic functions. E.g. the respiratory system, which works to exchange oxygen and carbon dioxide gases