Human Reproduction and Development Adulthood  At the end of adolescence, physical growth is complete, marking the beginning of adulthood.  Physical
{"Image DocumentName": "Physical changes perhaps are the most noticeable signs of aging.", "Image ImageDescription": "Chapter 36. Human Reproduction and Development Birth, Growth, and Aging. Adulthood. At the end of adolescence, physical growth is complete, marking the beginning of adulthood. Physical changes perhaps are the most noticeable signs of aging. Other changes include a decrease in muscle mass, a slowing of overall metabolism, and a decreased pumping ability of the heart.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}