tailieunhanh - Digestion and Nutrition

At best, it is a source of strength, beauty, and wonder. We can compare the healthy body to a well-designed machine whose parts work smoothly together. We can also compare it to a symphony orchestra in which each instrument has a different part to play. When all of the musicians play together, they produce beautiful music. From a purely physical standpoint, our bodies are made mainly of are also made of many minerals, including calcium, phosphorous, potassium, sulfur, sodium, chlorine, magnesium, and iron. In order of size, the elements of the body are organized into cells, tissues, and organs. Related organs are combined into systems, including the musculoskeletal, cardiovascular, nervous, respiratory,. | YOUR BODY How It Works Digestion and Nutrition Robert J. Sullivan INTRODUCTION Denton A. Cooley . President Í Surgeon-in-Chief of the Texas Heart Institute Clinical Professor of Surgery at the University of Texas Medical School Houston Texas YOUR BODY How It Works Digestion and Nutrition YOUR BODY How It Works Cells Tissues and Skin The Circulatory System Digestion and Nutrition The Endocrine System Human Development The Immune System The Nervous System The Reproductive System The Respiratory System The Senses The Skeletal and Muscular .

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