1. Healthy lungs look and feel like sponges. They're pink, squishy, and flexible enough to squeeze and expand with each breath.
2. mediastinum, which occupies the space between the lungs. The sternum and mediastinum. It is approximately the size of a man's fist (230-350 grams) and is shaped like an inverted cone. About two thirds of the heart's mass is located to the left of the body's midline.
3. The heart and lungs work together to make sure the body has the oxygen-rich blood it needs to function properly. The Pulmonary Loop The right side of the heart picks up the oxygen-poor blood from the body and moves it to the lungs for cleaning and re-oxygenating.
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Answer:
1. Healthy lungs look and feel like sponges. They're pink, squishy, and flexible enough to squeeze and expand with each breath.
2. mediastinum, which occupies the space between the lungs. The sternum and mediastinum. It is approximately the size of a man's fist (230-350 grams) and is shaped like an inverted cone. About two thirds of the heart's mass is located to the left of the body's midline.
3. The heart and lungs work together to make sure the body has the oxygen-rich blood it needs to function properly. The Pulmonary Loop The right side of the heart picks up the oxygen-poor blood from the body and moves it to the lungs for cleaning and re-oxygenating.