Examlex
Approximately what percentage decline in total energy expenditure is seen in a 70 year old versus a 30 year old?
Epiphysis
The end part of a long bone, initially growing separately from the shaft.
Long Bone
A type of bone that is longer than it is wide, typically found in the limbs, and plays a crucial role in movement and support.
Medullary Cavity
The central cavity of bone shafts where red and/or yellow marrow (blood cell production or fat storage, respectively) is stored; pivotal in the hemopoietic process and energy storage.
Articular Cartilage
A smooth, white tissue that covers the ends of bones where they come together to form joints, enabling low-friction movement.
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