Red blood cells, White blood cells. And eukaryotes.
I believe the answer is: Eat a well-balanced diet to increase energy and immunity
Even though physical activities improve both our energy and immunity in the long run, they are not as significant as maintaining well balanced diet in your life.
You need to make sure that you get your nutrients from various source of non-processed food in order to fulfill both your macronutrients and micronutrients.
Sexual equality is when both biological sexes, regardless
of gender, are in egalitarian state in terms of all the benefits opportunities
in the society. It is very important because discrimination between the sexes
and the creation of introjected gender roles had sprouted to societal issues
such as discrimination, sexism and even the spread of HIV where a person
believes that his/her sex is dominant over the other.
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Answer:
the incubation, prodromal, illness, decline, and convalescence periods