Marta asks her science teacher why people age and then eventually die. The accurate explanation the teacher can give to Marta is that cells stop dividing and they cannot be replaced.
Later in adulthood, various physiological changes may occur including some degree of brain atrophy and a decrease in the rate of neural processes. The respiratory and circulatory systems become less efficient, and changes in the gastrointestinal tract may sometimes lead to increased constipation.
One of the common cognitive complaints among older people is the change in memory. Group of older adults do not perform as well as younger adults on a variety of learning and memory tests.
To know more about human ageing, refer
https://brainly.com/question/25381223
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