The respiratory system is best described as: a) the system which delivers oxygen to the bloodstream and takes away carbon dioxide. b) the system which provides the ability to burn all nutrients in the cells. c) the system which delivers oxygen directly to cells and takes away carbon dioxide. d) the system which removes wastes from cells and exhales them from the body.

The respiratory system is best described as bloodstream and takes away carbon dioxide

Explanation:

Respiratory system entails the inhalation of oxygen and exhalation of carbondioxide which is useful for plant for production of their food. Every living organisms respires, hence; oxygen is required to sustain life unless death looms

this is true, assuming that the allele is completely recessive and incomplete dominance is not a factor.