<span>The Disengagement Theory is a theory of aging
that refers to a decrease in interactions between an aging person and the
social system he belongs to. The theory suggests that it is only natural and
acceptable for older adults to withdraw from society as aging is an inevitable
process of life. It is formulated by Cumming and Henry in 1961 and is
considered as the first theory of aging that social scientists have developed. It
is one of the three major psychosocial theories that describe people’s
characteristics as they grow of old age.</span>
Homeostatic control mechanisms have at least three interdependent components: a receptor, integrating center, and effector. ... The integrating center, generally a region of the brain called the hypothalamus, signals an effector (e.g. muscles or an organ ) to respond to the stimuli.
Human blood or any bodily fluid
Answer:
a
Explanation:
The server should be behind the serving line before serving, once the server serves, they can enter the court