The individual components of the vasti muscle group and the rectus femoris were clamped and subsequently loaded based on the muscle cross-sectional area proportions (111N, 98N, and 67N for rectus femoris/vastus intermedius, vastus lateralis, and vastus medialis, respectively).
The definition of life is controversial. The current definition is that organisms maintain homeostasis, are composed of cells, undergo metabolism, can grow, adapt to their environment, respond to stimuli, and reproduce.
life span. 1. the longest period over which the life of any organism or species may extend, according to the available biological knowledge concerning it. 2. the longevity of an individual. Origin of life span.