The nervous system is what i'd say. Are there any options?
The answer is B.) Wellness is related to balanced improvement in all six dimensions of health. ^-^
Difussion occurs from a high concentrated region to a low concentrated region. The velocity of diffussion is proportional to the differential of concentrations. In the lung arrives blood with low levels of oxygen while the long is rich with fresh oxygen so the oxygen flows from the lung tissues to the blood.
The other tissues consume oxygen continually them they get poor in oxygen and so the oxygen that is in the blood diffuses to the tissue that is poor in oxygen.
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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