CH1se - Chapter 1 Human Anatomy and Physiology Form and...

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1 Chapter 1 Human Anatomy and Physiology Form and Function • Anatomy – Study of internal and external structures of the body and the physical relationship among those structures • Physiology – Study of how organisms perform their vital functions • We will explore the anatomical structures and physiological process that make life possible
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2 Basic Life Processes • Metabolism • Responsiveness • Movement • Growth • Differentiation • Reproduction Metabolism • Sum of all chemical processes • Catabolism - breaking down complex molecules into simpler ones – Ex. digestion • Anabolism - complex molecules built from simpler ones – Ex. Building proteins from amino acids
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3 Responsiveness • Ability to detect and respond to changes – Internal environment - internal body temp. – External environment - pupils dilate in low light, constrict in bright light Movement • Organism, organs, cells, organelles
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Growth • Size of cells - ex. Fat cells • Number of cells - ex. Skin cells
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CH1se - Chapter 1 Human Anatomy and Physiology Form and...

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