Introduction to Psychology 10th Edition by Rod Plotnik,Haig Kouyoumdjian

تمرين 24

The gradual and natural slowing of our physical and psychological processes from middle through late adulthood is called (a) _____ aging. This process occurs when certain (b) _____ and _____ interfere with organ functioning and when the natural production of toxic (c) _____ (free radicals) causes random damage to body organs and to DNA (the building blocks of life). This aging process, which decreases the effectiveness of sensory and body organs, eventually exceeds the body's ability to repair itself and results in greater susceptible to (d) _____.